CN211578127U

CN211578127U - Piano fingering exercise device

Info

Publication number: CN211578127U
Application number: CN202020473819.0U
Authority: CN
Inventors: 王从军; 刘小婷; 张森
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-09-25
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to the field of auxiliary instruments for piano learning, in particular to a device for piano fingering exercise, which comprises a supporting seat, wherein a plurality of keys are arranged at the top of the supporting seat, a rubber ball is arranged at one side of each key, and the rubber ball is connected with an adjusting structure for adjusting the rubber ball to be close to or far away from the keys; the adjusting structure comprises a groove I formed in the top of a supporting seat, a screw rod is erected in the groove I, the direction of the screw rod is the same as the direction of an extension line close to or far away from a key, a handheld portion is arranged at the tail end of the inner wall of the groove I after one end of the screw rod penetrates out of the inner wall of the groove I, a sliding block is sleeved on the screw rod, the top of the sliding block is connected with a supporting body, and the top of the supporting body is fixed with the bottom of a rubber ball. The utility model discloses simple structure, convenient to use is applicable to the individual needs of palm variation in size, makes the training person make clear and definite the training target, increases the training effect, is worth promoting.

Description

Piano fingering exercise device

Technical Field

The utility model relates to a piano study assists the apparatus field, in particular to piano fingering exercise device.

Background

The piano is from Europe, the last 1709 years of music history is the birth year of the piano, in the beginning of the 20 th century, the Chinese piano education is mainly inherited from Russian school due to history, politics, geography and other reasons, from 80 s, along with the conversion of politics and economic situation, the 'piano heat' appears in domestic big cities, and the field presents an abnormally active and prosperous situation.

When learning a piano, the fingering is vital when a beginner learns the piano, and when the fingering is practiced in the traditional hand-shaped posture of 'holding eggs', the fingering practice has the following problems that firstly, the palm of each person is different in size, the length of the fingers is different, namely, the distance between the fingers and the keys is different, so that the positions of the fingers and the keys are not proper, the fingers do not exert force during the fingering practice, or the fingers exert excessive force, the fingering action is not standard, and the fingering action is not beautiful enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that exists among the above-mentioned prior art, provide a piano fingering exercise device.

The technical scheme of the utility model is that:

a piano fingering exercise device comprises a supporting seat, wherein a plurality of keys are arranged at the top of the supporting seat, rubber balls are arranged on one sides of the keys, and the rubber balls are connected with an adjusting structure for adjusting the rubber balls to be close to or far away from the keys;

the adjusting structure comprises a groove I formed in the top of a supporting seat, a screw rod is erected in the groove I, the direction of the screw rod is the same as the direction of an extension line close to or far away from a key, a handheld portion is arranged at the tail end of the inner wall of the groove I after one end of the screw rod penetrates out of the inner wall of the groove I, a sliding block is sleeved on the screw rod, the top of the sliding block is connected with a supporting body, and the top of the supporting body is fixed with the bottom of a rubber ball.

Preferably, the bottom of the key is provided with a supporting rod, the middle part of the supporting rod is provided with a limiting table, the lower part of the supporting rod is arranged in a groove II formed in the top of the supporting seat, the middle part of the bottom surface in the groove II is provided with a sleeve, the lower part of the supporting rod is arranged in the sleeve in a penetrating mode, and the sleeve is sleeved with a spring.

Preferably, a pressure sensor is arranged in the sleeve, a processor, a loudspeaker and a display screen are arranged on the supporting seat, and the processor is electrically connected with the loudspeaker, the pressure sensor and the display screen.

Preferably, two grooves I are formed in the supporting seat, and the grooves I are provided with adjusting structures.

Preferably, a guide structure is arranged between the side surface of the sliding block and the inner wall of the groove I.

Preferably, the supporter is extending structure, and extending structure includes the support column fixed with the rubber ball, and the cover is equipped with the sleeve on the support column, and telescopic circumference is provided with the stop screw that the restriction support column slided from top to bottom, and telescopic bottom and slider are fixed.

Compared with the prior art, the utility model provides a pair of piano fingering exercise device, its beneficial effect is:

1. the utility model discloses simple structure, convenient to use.

2. The utility model discloses a rotate handheld portion to drive the screw rod and rotate, make the slider on the screw rod remove along the screw rod, guaranteed promptly that the rubber ball removes along the guide way, adjustment rubber ball apart from the distance of button horizontal direction, thereby guarantee that this device is applicable to the individual of palm variation in size.

3. The utility model discloses a dynamics signal when the treater finger is pressed is fed back to pressure sensor, then the treater compares according to the threshold value that the dynamics value treater that pressure sensor feedbacks set for, comes to show through the display screen and presses the dynamics value, and reports the exercise suggestion through the speaker to make the training person make clear and definite training target, heighten the training effect; the novel multifunctional electric heating cooker is simple in structure, high in practicability and worthy of popularization.

4. The utility model discloses the practicality is strong, is worth promoting.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention in a front view;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic view of the telescopic structure of the present invention.

Detailed Description

An embodiment of the present invention will be described in detail with reference to fig. 1 to 3, but it should be understood that the scope of the present invention is not limited by the embodiment.

Example 1

As shown in fig. 1 and 2, the piano fingering exercise device provided by the utility model comprises a support base 1, a plurality of keys 3 are arranged on the top of the support base 1, a rubber ball 2 is arranged on one side of the keys 3, and the rubber ball 2 is connected with an adjusting structure for adjusting the rubber ball 2 to be close to or far away from the keys 3;

the regulation structure includes recess I11 that supporting seat 1 top was seted up, set up screw rod 12 in recess I11, screw rod 12 erects in the mounting groove that recess 11 lateral wall was seted up through bearing I and bearing II, screw rod 12 set up the direction with be close to or keep away from the direction of the extension line of button 3 the same, screw rod 12's one end is worn out and is provided with handheld portion 121 at its end behind recess I11's the inner wall, the cover is equipped with slider 22 on the screw rod 12, slider 22 top is connected with supporter 21, it is fixed with the bottom of rubber ball 2 after recess I11 top is worn out to the top of supporter 21.

Further, the bottom of the key 3 is provided with a support rod 32, the middle part of the support rod 32 is provided with a limit table 31, the lower part of the support rod 32 is arranged in a groove II formed in the top of the support seat 1, the middle part of the bottom surface in the groove II is provided with a sleeve 7, the lower part of the support rod 32 is arranged in the sleeve 7 in a penetrating manner, and the sleeve 7 is sleeved with a spring 5.

Further, in order to guarantee that the exercise result is displayed, so that errors occurring during exercise can be corrected according to the exercise result, the pressure sensor 6 is arranged in the sleeve 7, the processor, the loudspeaker 13 and the display screen are arranged on the supporting seat 1, and the processor is electrically connected with the loudspeaker 13, the pressure sensor 6 and the display screen.

Example 2

Further, on the basis of embodiment 1, in order to ensure that the fingering of two hands can be effectively exercised, two grooves I11 are formed in the supporting seat 1, and the grooves I11 are provided with adjusting structures.

Further, a guide structure is arranged between the side surface of the sliding block 22 and the inner wall of the groove I11, the guide structure comprises a sliding groove formed in the side surface of the sliding block 22 and a sliding groove formed in the inner wall of the groove I11, and the sliding block I can slide in the sliding groove.

Further, the support body 21 is of a telescopic structure, the telescopic structure comprises a supporting column 211 fixed with the rubber ball 2, a sleeve 212 is sleeved on the supporting column 211, a limiting screw 213 used for limiting the supporting column 211 to slide up and down is arranged in the circumferential direction of the sleeve 212, and the bottom of the sleeve 212 is fixed with the sliding block 22.

Principle of operation

The utility model discloses when using, as shown in fig. 1, hold hand on rubber ball 2 earlier, then adjusted the horizontal direction distance of finger apart from button 3 according to the length of finger, guarantee to adapt to the not palm of equidimension, twist handheld portion 121 promptly, handheld portion 121 drives screw rod 12 and rotates to make slider 22 remove along screw rod 12, until adjusting the suitable position of finger apart from the button, then, for this device switch on, just can practise.

Press the button 3 when the finger on, 7 downstream of sleeve can be followed to the bracing piece 32 lower part of 3 bottoms on the button, at this moment, the bottom of bracing piece 32 can be pressed on pressure sensor 6, pressure sensor 6 can give the treater with pressure information transmission, the treater converts pressure signal into pressure value and shows on the display screen, when the left and right hands practise simultaneously, the treater can press the finger of two hands, the pressure signal of 6 feedbacks of pressure sensor carries out contrast processing, thereby the pressure value when pressing the finger of two hands shows through the display screen, dynamics when pressing according to two fingers, come through speaker exercise report suggestion, when the big lower difference of the finger power of two hands is too big promptly, come to adjust according to the finger pressing force degree that the treater actually set for.

In summary, compared with the prior art, the piano fingering exercise device of the present invention drives the screw to rotate by rotating the hand-held portion, so that the slider on the screw moves along the screw, i.e. the rubber ball moves along the guide groove, and the distance between the rubber ball and the horizontal direction of the key is adjusted, thereby ensuring that the device is suitable for individuals with different palms; the force signal when the finger is pressed is fed back to the processor through the pressure sensor, and the processor compares the force signal according to the force value fed back by the pressure sensor and set by the processor to display the pressing force value through the display screen and broadcast exercise suggestions through the loudspeaker, so that a trainer can clearly define a training target and improve the training effect; the novel multifunctional electric heating cooker is simple in structure, high in practicability and worthy of popularization.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. A piano fingering exercise device comprises a supporting seat (1), and is characterized in that a plurality of keys (3) are arranged at the top of the supporting seat (1), rubber balls (2) are arranged on one sides of the keys (3), and the rubber balls (2) are connected with an adjusting structure for adjusting the rubber balls (2) to be close to or far away from the keys (3);

the adjusting structure comprises a groove I (11) formed in the top of a supporting seat (1), a screw rod (12) is erected in the groove I (11), the direction of the screw rod (12) is the same as the direction of the extension line close to or far away from the key (3), a handheld portion (121) is arranged at the tail end of the inner wall of the groove I (11) after one end of the screw rod (12) penetrates out of the inner wall of the groove I (11), a sliding block (22) is sleeved on the screw rod (12), a supporting body (21) is connected to the top of the sliding block (22), and the top of the supporting body (21) is fixed to the bottom of the rubber ball (2) after the top of the groove.

2. A piano fingering exercise device according to claim 1, wherein a support rod (32) is arranged at the bottom of the key (3), a limit table (31) is arranged in the middle of the support rod (32), the lower part of the support rod (32) is arranged in a groove II formed in the top of the support base (1), a sleeve (7) is arranged in the middle of the inner bottom surface of the groove II, the lower part of the support rod (32) is arranged in the sleeve (7) in a penetrating manner, and a spring (5) is sleeved on the sleeve (7).

3. A piano fingering exercise device according to claim 2, wherein the sleeve (7) is internally provided with a pressure sensor (6), the support base (1) is provided with a processor, a speaker (13) and a display screen, and the processor is electrically connected with the speaker (13), the pressure sensor (6) and the display screen.

4. A piano fingering exercise device according to claim 1, wherein two grooves I (11) are formed on the supporting base (1), and the grooves I (11) are provided with adjusting structures.

5. A piano fingering exercise device as recited in claim 1, wherein a guide structure is provided between the side surface of said slider (22) and the inner wall of the recess I (11).

6. A piano fingering exercise device according to claim 1, wherein the supporting body (21) is a telescopic structure, the telescopic structure comprises a supporting column (211) fixed with the rubber ball (2), a sleeve (212) is sleeved on the supporting column (211), a limiting screw (213) for limiting the supporting column (211) to slide up and down is arranged on the circumference of the sleeve (212), and the bottom of the sleeve (212) is fixed with the sliding block (22).