Piano key playing force adjusting device

An adjustment device and piano technology, applied in the direction of stringed instruments, instruments, etc., can solve the problems such as the inability to adjust the playing strength of the keys as a whole, and achieve the effect of convenient adjustment process, time-consuming and convenient operation

Active Publication Date: 2019-02-15
HUNAN CITY UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a device for adjusting the playing strength of piano keys, which solves the problem that the existing pianos cannot adjust the playing strength of the keys as a whole. The adjustment is convenient and time-consuming, especially suitable for frequently adjusting the playing strength of the keys. Case

Method used

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  • Piano key playing force adjusting device
  • Piano key playing force adjusting device
  • Piano key playing force adjusting device

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Embodiment

[0032] A device for adjusting the playing strength of a piano key, comprising a key frame 1, a piano key 2, a rear rail 3, a balance rail 4, and a front rail 5. A balance bolt 6 is fixed on the balance rail 4, and a balance bolt 6 is fixed on the front rail 5. There is a front bolt 7, a balance hole 8 and a front hole 9 are arranged on the said piano key 2, a counterweight box 10 is arranged on said piano key 2, and a counterweight block 11 is arranged in said counterweight box 10, said The counterweight 11 is rotatably connected with a ball screw 12, the counterweight 11 cooperates with the ball screw 12, and the ball screw 12 drives the counterweight 11 to move back and forth. The front wall of the counterweight box 10 is interference-fitted with a screw bearing 36. The screw bearing 36 is a damping bearing. One end of the ball screw 12 is interference-fitted with the screw bearing 36. The ball screw The other end of 12 is interference-fitted with a first bevel gear 13, and ...

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Abstract

The invention discloses a piano key playing force adjusting device and mainly relates to the field of piano key adjusting devices. A balance weight box is arranged on each piano key, a balance weightis arranged in each balance weight box, a ball screw is arranged on each balance weight and fixedly connected with a first bevel gear, a second bevel gear is meshed to each first bevel gear, a drive shaft is arranged at each box shaft hole, a first fixed block is arranged at one end of a key frame, a first telescopic rod is arranged on the first fixed block, a chute is formed in the other end of the key frame, a second fixed block is arranged at one end of the chute, a second telescopic rod is arranged on the second fixed block and provided with a slider, a motor is arranged on the slider, anda motor key is arranged on an output shaft of the motor. The piano key playing force adjusting device has the following beneficial effects: the problem that the key playing force of the conventionalpiano cannot be adjusted wholly is solved, adjustment is convenient, short time is consumed, and the device is quite applicable to the condition that key playing force needs to be adjusted frequently.

Description

technical field [0001] The invention relates to the field of piano key adjustment devices, in particular to a piano key playing strength adjustment device. Background technique [0002] The piano is known as the king of musical instruments. In order to relax and cultivate temperament, many people learn piano spontaneously or let their children learn piano. In piano training classes, different pianos need to be purchased for training classes of different ages to achieve better training and learning effects, which will undoubtedly increase the investment in training classes. In practice, due to cost issues, piano training institutions only purchase the same piano, allowing trainers of different ages to learn in time-sharing. Using a piano that does not match the strength of individual fingers often does not achieve a good training effect. It is difficult to adjust the playing strength of existing pianos, and requires a special tuner to adjust. It often takes several hours to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10C3/00G10C1/00
CPCG10C1/00G10C3/00
Inventor 曹泓
Owner HUNAN CITY UNIV
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