CN200969208Y

CN200969208Y - Sounding structure of piano sound source treble district

Info

Publication number: CN200969208Y
Application number: CN 200620047880
Authority: CN
Inventors: 郑明统
Original assignee: Shanghai Ouya Piano Musical Instrument Coltd
Current assignee: Shanghai Ouya Piano Musical Instrument Coltd
Priority date: 2006-11-16
Filing date: 2006-11-16
Publication date: 2007-10-31
Anticipated expiration: 2016-11-16

Abstract

The utility model relates to a piano sound sources treble area sounding mechanism, which is composed of a string array, a string pin, strings, a string lip, a string button; wherein the string lip and the string button are integrated into one installing accessory; the string button is positioned at bottom of the string lip in a step shape in line and is provided with a plurality of string hole group(three string holes in a group); each string hole group is lied in a line shape at equivalent interval; distance between every two holes is the same; axis of each string hole group is in the same plane. Upper lip surface of the string lip is higher than the plane. The strings stick to the lips of the string lips and penetrate the string holes and then are connected to the string pin; strings from the string lips to the string button are arranged in the same plane which tilts to the plane composed of the strings hole axis of the string button. By utilizing the sounding mechanism in pianos, the string lips are hard to rust, strings are hard to break and the treble area is pure in sounding, stable in intonation.

Description

The pronunciation mechanism of acoustic source of piano treble

Technical field

The utility model is relevant with the source of sound of piano, relates to the pronunciation mechanism of acoustic source of piano, specifically, is a kind of pronunciation mechanism of acoustic source of piano treble.

Background technology

Along with the progress and the development of society, people are following the fashion, and in the time of the pursue mental life, have paid attention to individual mastery more, are accompanied by the raising of living standards of the people, and piano has entered huge numbers of families.A piano, whether its tone color is pure, perfect, and whether accuracy in pitch is stable, all closely related with the component parts of the version of its source of sound, source of sound and material thereof etc.For the source of sound of piano, the pronunciation mechanism of its treble particularly seems important.

Shown in Figure 1, be the pronunciation mechanism of traditional acoustic source of piano treble, as can be seen from the figure, the critical piece that constitutes the pronunciation mechanism of source of sound treble comprises: string row 7`, string Xiao 1`, string 2`, string lip 6`, string press strip or string button 3`.Wherein, string Xiao 1` is movably arranged on that string row 7` goes up, string 2` fits tightly with string Xiao 1` flexible connection, string 2` and string lip 6`, be provided with the string press strip or the string button 3` that are used for fixing string 2` angle between string lip 6` and the string Xiao 1`, string press strip or string button 3` on string row 7`, also are provided with Buddhist nun's felt rug 4` by screw retention below the string 2` between string Xiao 1` and string press strip or the string button 3`.

The pronunciation mechanism of this traditional acoustic source of piano treble mostly has problems such as tone color is pure inadequately, accuracy in pitch is stable inadequately, and its main cause is:

1, is the cast iron lip owing to traditional string lip 6`, and forms that cast iron materials itself contains a large amount of impurity with the cast of cast iron string row 7` one.When hammerhead impacts string 2`, make string 2` produce vibration, give soundboard by the string sign indicating number with NE BY ENERGY TRANSFER.But, promptly consumed part energy after having passed through cast iron string lip 6`, adopt this structure in addition, string lip 6` can not send out sound to the string 2` of one section of the A`～B` between string press strip or the tuning peg 3`, so its tone color can't reach desirable state.

2, string 2` frangibility, its reason is the cast iron lip just because of the string lip 6` in the source of sound of traditional piano, in addition the structure of its section make it and string 2` between be in a kind of some contact condition all the time, cast iron gets rusty easily, the string lip 6` and the string 2` that get rusty are close together, and rust is disconnected easily to cause string 2`.

3, the design of traditional acoustic source of piano is a string press strip or string wire button 3` to be set with the fixing angle of inclination of string 2` between string lip 6` and string Xiao 1`, because string press strip or string button 3` just arrange on the 7` at string by screw fixings, only rely on manual operations to be difficult to accurately control string 2`, thereby cause the accuracy in pitch instability with respect to the angle of inclination between the string row 7`.

4, just pressurize just because of string press strip or string button 3`, caused the arrangement of string 2` inhomogeneous, and every group of string 2` also be difficult to guarantee to be in same plane, thereby influenced the pure of tone color with screw.

Summary of the invention

The purpose of this utility model is, overcome existing deficiency on the treble structure of traditional acoustic source of piano, a kind of pronunciation mechanism of acoustic source of piano treble is provided, make the string lip of piano be difficult for getting rusty, string is frangibility not, and the tone color of acoustic source of piano treble is purer, accuracy in pitch is also more stable.

To achieve these goals, the utility model has adopted following technical scheme:

The pronunciation mechanism of acoustic source of piano treble, comprise string row, be arranged on string Xiao on the string row, the string that links to each other with string Xiao, with the string lip that string fits tightly, be provided with the location string button of string between string lip and the string Xiao; Its substantive distinguishing features is,

Described string lip and string button are conjuncted assembly parts, are fixed on the string row by screw;

The strip string lip that described conjuncted assembly parts comprise at least four split type string buttons, are located by connecting with the string button; The stepped in-line of described string button is arranged in the bottom surface of string lip successively continuously;

Described string button is provided with several ternary string holes, uniformly-spaced is yi word pattern between every group of string hole and arranges; The pitch-row in adjacent two string holes equates that all the axis in every group of string hole all is positioned on the same plane; The lip of described string lip is higher than the plane that axis constituted in every group of string hole on the string button;

Described string is close to the string hole that the lip of string lip passes on the string button and is linked to each other with string Xiao respectively; Described string all is positioned on the same plane plane that axis constituted in this plane inclination string hole on the string button for one section from the string lip to the string button.

The pronunciation mechanism of above-mentioned acoustic source of piano treble, wherein, the pitch angle between the plane that string constituted on the described conjuncted assembly parts and the plane that axis constituted in string hole is 14 °～20 °.

The pronunciation mechanism of above-mentioned acoustic source of piano treble, wherein, the string section from the string lip to the string button on the described conjuncted assembly parts is a voiced segments.

The pronunciation mechanism of above-mentioned acoustic source of piano treble, wherein, the front of described string button is trapezoidal shape, and its cross section is L-shaped.

The pronunciation mechanism of above-mentioned acoustic source of piano treble, wherein, the string hole on the described string button is at least seven groups.

The pronunciation mechanism of above-mentioned acoustic source of piano treble, wherein, the lip of described string lip is an arc surface, its cross section shape triangular in shape.

Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has the following advantages and good effect:

1, the string lip that adopts fine copper to make substitutes traditional cast iron string lip, has overcome string effectively and has occurred situation about fractureing too early because of corrosion, and prolong the serviceable life of string greatly; Simultaneously, also since the copper lip to have acoustic speed fast, leading note is effective, former sound is difficult for being consumed, and can keep hammer to impact the acoustic energy that string sends in good condition.

2, integrate conjuncted of string lip, string button owing between string Xiao and string lip, being provided with, on the one hand, string is close to the string hole that conjuncted string lip passes on the string string button and is linked to each other with string Xiao, all strings that are positioned on conjuncted are in a plane together, thereby have guaranteed that the arrangement of source of sound treble string is evenly neat on the soundboard.On the other hand, also make the angle between the plane that axis constituted in the string be in a plane together and string hole be able to accurate control.

3, change contacting between string and the string lip into the face contact, make the local contact area increase between string and the string lip, alleviated rate of wear between string and the string lip to a certain extent, reduced the turnover rate of string effectively by traditional some contact.

4, also be voiced segments owing to be positioned at from the string lip to the string hole one section of string on the siamese part, thoroughly changed the situation that this section string can not sent out sound, make that the sound of musical instrument that is sent is fuller, tone color is more sweet.

Existence just because of above-mentioned advantage, the tone color of the utility model acoustic source of piano treble is better than the pronunciation tone color of traditional acoustic source of piano treble greatly, its accuracy in pitch is stable more, tone color is purer, and tone color and acoustic effect can reach sweet, pure, pure and fresh, graceful perfect effect fully.

Description of drawings

By following examples and in conjunction with the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,

Fig. 1 is the Facad structure synoptic diagram of the acoustic source of piano treble pronunciation mechanism of prior art; (mark in the drawings: the mute string section of A`-B`)

Fig. 2 is the Facad structure synoptic diagram of the utility model acoustic source of piano treble pronunciation mechanism; (mark in the drawings: the string voiced segments of A-B)

Fig. 3 is that C-C among Fig. 1 is to the sectional structure synoptic diagram;

Fig. 4 is that D-D among Fig. 2 is to the sectional structure synoptic diagram;

Fig. 5 is the conjuncted assembly parts structure for amplifying synoptic diagram of string lip and string button among Fig. 4;

Fig. 6 is the perspective view of string button among Fig. 5;

Fig. 7 is the perspective view of string lip among Fig. 5;

Fig. 8 is the E portion structure for amplifying synoptic diagram among Fig. 3;

Fig. 9 is the F portion structure for amplifying synoptic diagram among Fig. 4.

Embodiment

Referring to Fig. 2, cooperation is referring to Fig. 4～Fig. 7, the pronunciation mechanism of the utility model acoustic source of piano treble shown in the figure, mainly comprise string row 7, be arranged on string Xiao 1 on the string row 7, the string 2 that links to each other with string Xiao 1, and the string lip 6 that fits tightly of string 2, be provided with the location string button 3 of string 2 between string lip 6 and the string Xiao 1.

As shown in Figure 3, string lip 6 of the present utility model is conjuncted assembly parts with string button 3, is fixed on the string row 7 by screw; The strip string lip 6 that these conjuncted assembly parts comprise at least four split type string buttons 3 that are trapezoidal shape, are located by connecting with string button 3; String button 3 stepped in-lines are arranged in the back side of string lip 6 successively continuously, and with string lip 6 between by the location Xiao Dingwei link to each other.

String button 3 is provided with several ternary string holes 31, uniformly-spaced is yi word pattern between every group of string hole 31 and arranges; The pitch-row in adjacent two string holes 31 equates that all the axis 31a in every group of string hole 31 all is positioned on the same plane; As shown in Figure 9, the lip 61 of string lip 6 is an arc surface, and the top of this arc surface is higher than the plane that the axis 31a in every group of string hole 31 on the string button 3 is constituted.

String 2 is close to the string hole 31 that the lip 61 of string lip 6 passes on the string button 3 and is linked to each other with string Xiao 1 respectively; String 2 on the conjuncted assembly parts of the utility model, 3 one sections all are positioned on the same plane from string lip 6 to the string button, this plane inclination plane that the axis 31a in string hole 31 is constituted on string button 3, the pitch angle R between two planes is 14 °～20 °.In the present embodiment, the angle R between these two planes is set at about 15 °.R is too small for its angle, and 2 of strings can be too loose, directly influenced the transmission of qin sound and the effect of tone color; Angle R is excessive, and string 2 is easily fractureed again.Obviously, only rely on manual structure of regulating to compare with method with string press strip that is adopted in the conventional art shown in Fig. 1,3 or string button 3`, more scientific and reasonable, make the quality of piano obtain effective control on the whole.

In the present embodiment, shown in Fig. 6,7, the cross section of string button 3 is L-shaped, the cross section of string lip 6 shape triangular in shape.String hole 31 on the string button 3 is seven groups.

Because conjuncted of having adopted copper string lip 6 and string button 3, when hammerhead impacts string 2, when string 2 passes through this copper conjuncted, the energy of qin sound is almost lossless, by the string sign indicating number energy is passed to soundboard fully, therefore, be positioned at string 2 on conjuncted one section and be voiced segments from string lip 6 to string button 3.And traditional cast iron string lip 6` to the string of one section of string button 3` because the energy consumption of cast iron, this section string 2` is mute section, shown in Fig. 1,3.

Be also that with the source of sound structure difference of the traditional piano shown in Fig. 1,3 lip 61 of the utility model string lip 6 is an arc surface as shown in Figure 9; Like this, string 2 contacts with the lip 61 of string lip 6, and the position is difficult to be fractureed.And traditional cast iron string lip 6`, as shown in Figure 8, its lip 61` is a strip plane, two edges on this plane can quicken fractureing of string 2` as blade.Influence the situation of tone color because string lip 6 employing copper materials of the present utility model, its contact site also can not corrosion occur, therefore prolonged the serviceable life of string 2, the turnover rate of string 2 also decreases, and has reduced to amplitude peak the consumption of cost.

Claims

1, the pronunciation mechanism of acoustic source of piano treble, comprise string row, be arranged on string Xiao on the string row, the string that links to each other with string Xiao, with the string lip that string fits tightly, be provided with the location string button of string between string lip and the string Xiao; It is characterized in that,

2, the pronunciation mechanism of acoustic source of piano treble as claimed in claim 1 is characterized in that, the pitch angle between the plane that string constituted on the described conjuncted assembly parts and the plane that axis constituted in string hole is 14 °～20 °.

3, the pronunciation mechanism of acoustic source of piano treble as claimed in claim 1 or 2 is characterized in that, the string section from the string lip to the string button on the described conjuncted assembly parts is a voiced segments.

4, the pronunciation mechanism of acoustic source of piano treble as claimed in claim 1 is characterized in that, the front of described string button is trapezoidal shape, and its cross section is L-shaped.

As the pronunciation mechanism of claim 1 or 4 described acoustic source of piano trebles, it is characterized in that 5, the string hole on the described string button is at least seven groups.

6, the pronunciation mechanism of acoustic source of piano treble as claimed in claim 1 is characterized in that, the lip of described string lip is an arc surface, its cross section shape triangular in shape.