CN217426353U

CN217426353U - Action selection and sustain device of upright piano

Info

Publication number: CN217426353U
Application number: CN202221059952.7U
Authority: CN
Inventors: 周有恩
Original assignee: Baldwin Zhongshan Piano And Musical Instr Co ltd
Current assignee: Baldwin Zhongshan Piano And Musical Instr Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-13
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a string-striking machine selective damper of upright piano, which comprises a whole-register damper and a bass register damper which can be pressed on the string to stop the sound, the whole-register damper lifts up the gear through the long register, the long register lifts up the gear rod body including lifting the long register, the long register lifts up the gear hook and the long register lifts up the gear head, the long register lifts up the gear through the lift-up hinge to be fixed on the total gear, the bass register lifts up the gear through the short register, the short register lifts up the gear rod body including the short register, the short register lifts up the gear hook and the short register lifts up the gear head, the short register lifts up the gear through the lift-up hinge to be fixed on the total register, adopt the double-lift-up structure, increase the function of the selective damper of the bass, and lift up the damper through the lift-up gear with the lift-up hinge more stable and synchronous with the gear hinge, add the lift-up gear pad to lift up the register stroke to finely adjust the music effect, the function of selecting the bass sustain is realized more stably and abundantly by the sound effect of the upright piano.

Description

Action selection and sustain device of upright piano

Technical Field

The utility model relates to an upright piano field especially relates to a string machine of hitting of upright piano selects delay device.

Background

In a piano performance, the sustain effect is a necessary function. The piano sound-delaying is realized by opening the dampers on the string-striking machine to separate the dampers from the strings and continuously vibrating the strings to sound. The opening of the dampers is controlled by a gear lifting structure contacted with the dampers, the gear lifting structure is controlled by a pedal device connected with the gear lifting structure, and after the gear lifting is conducted by a lever of the pedal device, the gear lifting structure integrally dials all the dampers to enable the musical scale of the whole gamut to obtain the prolonged sound. At present, some researches on the function of selecting sustain of a string striking machine of an upright piano are carried out, namely, the performance effect of sustain can be realized on individual chord scale groups, but the structural design is not perfect, the music emotion of a player and the atmosphere of music works are difficult to express perfectly when the high-grade music works are performed for fine processing, and the structure is not durable and is easy to break down.

Therefore, the utility model discloses it comes to the birth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a simple structure, the effectual string machine of beating of sustain selects the sustain device.

The purpose of the utility model is realized like this:

a string-striking machine selection damper of an upright piano is characterized in that: the all-gamut range damper and the low-gamut range damper are arranged on the string striking machine, the all-gamut range damper and the low-gamut range damper can be pressed on strings to stop sound, the all-gamut range damper is lifted through a long damper, the long damper comprises a long damper lifting rod body, a long damper lifting hook and a long damper lifting head, the long damper lifting hook is fixed on the total gear through a lifting hinge, the low-gamut range damper is lifted through a short damper, the short damper lifting hook comprises a short damper lifting rod body, a short damper lifting hook and a short damper lifting head, and the short damper is fixed on the total gear through a lifting hinge.

The string-striking machine selection damper of an upright piano as described above, characterized in that: distance-adjusting silencing pads are arranged between the main gear and the long damper lifting gear and between the main gear and the short damper lifting gear, and are respectively a full-tone-area distance-adjusting silencing pad and a low-tone-area distance-adjusting silencing pad.

The string-striking machine selection damper of an upright piano as described above, characterized in that: two ends of the short damper lifting gear are provided with 2 groups of short damper lifting gear hooks, and two ends and the middle of the long damper lifting gear are provided with 4 groups of long damper lifting gear hooks.

The string-striking machine selection damper of an upright piano as described above, characterized in that: the long damper lifting gear head and the short damper lifting gear head are arc-shaped.

The string-striking machine selection damper of an upright piano as described above, characterized in that: the distance-adjusting silencing pad is made of wool felt.

The string-striking machine selection sustain device of an upright piano as described above, characterized in that: the thickness of the distance-adjusting sound-deadening pad is 3-6 mm.

When playing, the player steps on the pedal device, and the pedal device can lift shelves head and lift the damper through ejector pin jack-up damper, and at this moment, the string can keep its vibration after arousing, appears the effect of delaying, the utility model discloses a string machine selection delay device adopts two shelves structures of lifting, on the basis of full register for easy reference zone delay, increases the function that the bass district selected the delay to lift the shelves and lift the more stable and synchronous with the damper through having the crotch with lift the shelves hinge and lift up, add and establish and lift the shelves accent apart from amortization pad and to lift the music effect of shelves stroke so that the length of delaying finely tune, make its function of selecting the bass delay of realization that the upright piano audio is more stable and abundant, simple structure is fit for popularizing and applying widely.

Drawings

Fig. 1 is a schematic perspective view of a tuning device of an upright piano;

fig. 2 is a schematic structural view of a string striking machine selection tuning device of an upright piano of the present invention;

FIG. 3 is a partially enlarged view of a tuning device of the piano;

FIG. 4 is a schematic view of the three-dimensional structure of the short damper and the lift stop of the tuning device of the upright piano;

FIG. 5 is a schematic view of a long damper lifting structure of a tuning device of an upright piano;

Detailed Description

The invention will be further described with reference to the accompanying drawings:

a string-striking machine selection damper of an upright piano is characterized in that: the all-tone range type string-striking device comprises a total gear 1, wherein a string striking machine 2 covering all-tone range (high, middle and low tone ranges) is arranged on the total gear 1, a all-tone range damper 201 and a low tone range damper 202 capable of pressing strings to stop tones are arranged on the string striking machine 2, the all-tone range damper 201 is lifted through a long-tone-lifting gear 301, the long-tone-lifting gear 301 comprises a long-tone-lifting gear rod body 3011, a long-tone-lifting gear hook 3012 and a long-tone-lifting gear head 3013, the long-tone-lifting gear 301 is fixed on the total gear 1 through a lifting gear hinge 4, the low-tone range damper 202 is lifted through a short-tone-lifting gear 302, the short-tone-lifting gear 302 comprises a short-tone-lifting gear rod body 3021, a short-tone-lifting gear hook 3022 and a short-tone-lifting gear head 3023, the short-tone-lifting gear 302 is fixed on the total gear 1 through a short-tone-lifting gear hinge 4, and the long-tone-lifting gear 302 and a short-tone-lifting gear structure, the structure of the bass zone sustain of the short damper lift rail is directly added on the traditional upright piano string striking machine, so that the upright piano realizes the function of selecting the bass sustain, the structure of the original string striking machine does not need to be greatly changed, the whole-range lingering work of the original long damper lifting gear is not influenced, the long damper lifting gear hooks 3012 and the short damper lifting gear hooks 3022 can be inserted and fixed on a plurality of lifting gear hinges 4 corresponding to the main gear 1, when the long damper lifting hook 3012 and the short damper lifting hook 3022 are lifted, the long damper lifting lever 3011 and the short damper lifting lever 3021 can lift the whole-pitch range damper 201 and the low-pitch range damper 202 synchronously and stably with the same stroke by using a plurality of lifting hinges 4 as pivots, and the device has the advantages of simple structure, stable movement, stable and fine and smooth sound-extending effect, and can better express the music emotion of a player and the atmosphere of music works.

The distance-adjusting sound-absorbing pad 8 is arranged between the main rail 1 and the long damper lifting rail 301 and the short damper lifting rail 302, and is respectively a whole-tone-area distance-adjusting sound-absorbing pad 81 and a low-tone-area distance-adjusting sound-absorbing pad 82, after the piano is installed, the string-pressing effect of the dampers is inconsistent due to the difference of the string-striking machine installed on each piano, the distance-adjusting sound-absorbing pad can finely adjust the length of the prolonged sound according to the stroke distance between the actual whole-tone-area damper 201 and the actual low-tone-area damper 202, the stroke of the two lifting rails is adjusted to be unified on the set stroke, so that the two groups of lifting rails are opened at the same distance, the performance effect of the dampers is consistent, the situations that the prolonged sound is not completely stopped, the prolonged sound is too short, and the like, are dull in color due to the stroke distance between the whole-tone-area distance-adjusting sound-absorbing pad 81 and the low-tone-area distance-adjusting sound-absorbing pad 82 and the long damper lifting rail 301 and the short damper lifting rail 302 are avoided, so as to achieve the ideal playing effect.

Two ends of the short damper lifting bar 302 are provided with 2 groups of short damper lifting bar hooks 3022, two ends and the middle of the long damper lifting bar 301 are provided with 4 groups of long damper lifting bar hooks 3012, and lifting bar hinges are arranged at corresponding positions of the short damper lifting bar hooks 3022 and the long damper lifting bar hooks 3012, so that the full-pitch range damper 201 and the low-pitch range damper 202 can be uniformly and stably lifted simultaneously or independently.

The long damper lifting head 3013 and the short damper lifting head 3023 are arc-shaped, and are more labor-saving and better in lifting effect when being matched with the pedal device to lift the damper.

The distance-adjusting silencing pad 8 is a flexible soft pad made of wool felt, is uniform in texture, moderate in hardness, better in silencing effect and long in service life, and a flexible buffer protective layer is arranged between the long-damper lifting rail 301 and the short-damper lifting rail 302 and the total rail 1 to avoid the lifting rail from directly touching the total rail 1.

The thickness of the distance-adjusting sound-deadening pad 8 is 3-6mm, and the thickness can be artificially increased according to the actual string-pressing stroke effect, so that a better ideal sound-delaying effect is obtained.

Claims

1. A string-striking machine selection damper of an upright piano is characterized in that: comprises a main gear (1), a string striking machine (2) covering a whole-range soundfield is arranged on the main gear (1), the string beating machine (2) is provided with a whole-gamut zone damper (201) and a bass zone damper (202) which can be pressed on the strings to stop the sound, the whole-gamut register damper (201) is lifted through a long-damper lifting bar (301), the long-damper lifting bar (301) comprises a long-damper lifting bar body (3011), a long-damper lifting bar hook (3012) and a long-damper lifting bar head (3013), the long damper lifting rail (301) is fixed on the main rail (1) through a lifting rail hinge (4), the damper (202) in the bass region is lifted through a short damper lifting gear (302), the short damper lifting gear (302) comprises a short damper lifting gear rod body (3021), a short damper lifting gear hook (3022) and a short damper lifting gear head (3023), the short damper lifting gear (302) is fixed on the main gear (1) through a lifting gear hinge (4).

2. The action selecting damper of an upright piano according to claim 1, wherein: and distance-adjusting sound-absorbing pads (8) are arranged between the main gear (1) and the long damper lifting gear (301) and the short damper lifting gear (302), and are respectively a full-tone-area distance-adjusting sound-absorbing pad (81) and a low-tone-area distance-adjusting sound-absorbing pad (82).

3. The action selecting damper of an upright piano according to claim 2, wherein: two ends of the short damper lifting gear (302) are provided with 2 groups of short damper lifting gear hooks (3022), and two ends and the middle of the long damper lifting gear (301) are provided with 4 groups of long damper lifting gear hooks (3012).

4. The action selecting damper of an upright piano according to claim 3, wherein: the long damper lifting head (3013) and the short damper lifting head (3023) are arc-shaped.

5. The action selecting damper of an upright piano according to any one of claims 2 to 4, wherein: the distance-adjusting sound-deadening pad (8) is made of wool felt.

6. The action selecting damper of an upright piano as claimed in claim 5, wherein: the thickness of the distance-adjusting sound-deadening pad (8) is 3-6 mm.