CN209543901U - A kind of piano key driving structure - Google Patents

Abstract

The utility model discloses a kind of piano key driving structures, including driving structure main body, damper lever is connected on the left of driving structure main body, the bottom of driving structure main body is connected with interlocking bar, the bottom of interlocking bar is connected with key, the top movable of interlocking bar is connected with mandril, the top movable of mandril is connected with hammerhead component, damper seat is fixedly connected at the top of damper lever, string is connected on the left of damper seat, the top of protrusion is closely fitted with buffer layer, buffer layer is arranged to reduce the sounding of noise in we, and protrusion can also serve the same role, to improve the audio of piano, make attentive listener that can more have a taste of magic of music, the bottom right side of white key is fixedly connected with damper, we are equipped with damper in the key mapping bottom of piano, it is bad that piano key bit loss is reduced by damper, So that piano is obtained good protection, increase the service life of piano, future has extensive development prospect.

Description

A kind of piano key driving structure

Technical field

Originally practical to be related to musical instrument technical field, specially a kind of piano key driving structure.

Background technique

Piano enjoys great prestige the music circles with its wide range, graceful tone color and unique performance performance, referred to as musical instrument it King, with the continuous development of society, piano increasingly liked by our people, in recent years, the piano yield abruptly increase in China, Piano market is huge, and external various brand pianos also pour in.Although piano is various in style, current upright piano The structure of used hammered string instrument structure is substantially similar, its primary structure still rarely has variation after long-term development, each Piano manufacturer is the tone color and quality for improving piano from the angle for improving material or optimization technique.

Currently, piano currently on the market, there are many after buying back because of key problem or because by prolonged Using a series of problems is caused, musical instrument is in order to keep good tone color, so running audit is wanted, in order to more save these problems, Need to carry out the extension of the noise processing and key year limit of instrument tamber.

So how to design a kind of piano key driving structure, becoming will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is that: in order to solve the problems, such as service life and noise, provide a kind of piano key drive Dynamic structure.

To achieve the above object, the utility model provides the following technical solutions:

The left side of a kind of piano key driving structure, including driving structure main body, the driving structure main body is flexibly connected There is damper lever, the bottom of the driving structure main body is connected with interlocking bar, and the bottom of the interlocking bar is flexibly connected There is key, the top movable of the interlocking bar is connected with mandril, and the top movable of the mandril is connected with hammerhead component, the system It is fixedly connected with damper seat at the top of sound device lever, string, the bottom of the key are connected on the left of the damper seat Portion is connected with white key, and protrusion is fixedly connected at the top of the mandril, and the intermediate position of the mandril is connected with peace Ring is filled, the intermediate position of the hammerhead component is fixedly connected with turning device cam, the right side of the turning device cam and fixed company It is connected to actuator, the bottom of the turning device cam is connected with turning device cam turning device pedestal, the turning device cam Top be fixedly connected with hammerhead.

Wherein, the bottom of the white key is fixedly connected with rear shelves, and the top insertion of the white key is connected with black key, described white Position is fixedly connected with middle-grade among the bottom of key, and preceding shelves are fixedly connected on the right side of the middle-grade.

Wherein, the bottom right side of the white key is fixedly connected with damper.

Wherein, the top of the protrusion is closely fitted with buffer layer.

Wherein, the bottom of the mounting ring is flexibly connected and has elastic component.

Wherein, mandril is by the protrusion at top, the buffer layer of convex surfaces, the mounting ring at intermediate position, mounting ring bottom Elastic element collectively constitute.

Wherein, hammerhead component is the hammerhead by top, hammerhead handle, the turning device cam at intermediate position, the turning device of bottom Cam turning device pedestal, actuator rearrange.

Compared with prior art, the beneficial effect of this kind of utility model is:

1. in the utility model, the bottom right side of white key is fixedly connected with damper, in contemporary society, possess interest love Good is not within minority, and musical instrument is liked that piano is also one of them by many people deeply, we are equipped in the key mapping bottom of piano subtracts Device is shaken, most of performing artists played with dense passion, it is very serious that the key mapping of piano, which is damaged, in order to guarantee piano Service life, reduce that piano key bit loss is bad by damper, increase the service life of piano.

2. in the utility model, raised top is closely fitted with buffer layer, during performance, the speed of rhythm can band Carry out the of flowing rhythm of sound, more and more players require the more superior of piano sounding, we are slow in the setting of the top of mandril Layer is rushed, the movement of mandril can bring certain noise, and in order to eliminate the interference of noise, buffer layer is arranged to reduce noise in we Sounding, and protrusion can also serve the same role, to improve the audio of piano, the evil spirit of music can be had a taste of by making attentive listener more Power.

3. in the utility model, the bottom of mounting ring, which is flexibly connected, to have elastic component, when playing beginning, elastic element portion Divide the upper end for retracting and actuator being made to be resisted against mandril；After the external force release being applied on key, elastic element returns to free shape State, the active force provided in the process can assist the gravity of hammerhead component to be rapidly returned to actuator to apply to mandril Active force.The setting of elastic element can be such that overall mechanism is more promptly converted to hit chordal shaped state, improve the bullet of upright piano Sensitivity is played, to further adapt to quickly continuously play.

4. in the utility model, having protrusion in mandril, protrusion is located at the right side of mandril, and protrusion can strike in hammerhead component It hits after string and hammerhead component is limited during returning, with the reset slot milling for mandril, protrusion is preferably disposed at On mandril, buffer layer and protrusion can play the good effect for completely cutting off noise, and the setting of elastic element can make overall mechanism more Add promptly to be converted to and hit chordal shaped state, improve upright piano plays sensitivity, to further adapt to quickly continuous bullet It plays.

5. in the utility model, mandril is pushed back by actively applying external force and is connect with turning device cam bottom by hammerhead component The position of touching remains that mandril is in excited state after being applied to the external force on key and cancelling, in this way key slightly off The position for being pressed into bottom can play repeatedly hits string, and improve upright piano plays sensitivity, has singly-bound preferably Double hit performance to adapt to quickly continuously play, and then makes playing more freely for upright piano, handy, thus, when Player flicks, the key or when quickly connection is played of playing the musical instrument slowly, and upright piano can reliably pronounce.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the key structural schematic diagram of the utility model；

Fig. 3 is the push rod structure schematic diagram of the utility model；

Fig. 4 is the hammerhead component structure diagram of the utility model.

In figure: 1, driving structure main body, 2, damper lever, 3, interlocking bar, 4, key, 401, rear shelves, 402, white key, 403, black key, 404, middle-grade, 405, preceding shelves, 406, damper, 5, mandril, 501, protrusion, 502, buffer layer, 503, mounting ring, 504, elastic element, 6, hammerhead component, 601, hammerhead, 602, hammerhead handle, 603, turning device cam, 604, actuator, 605, turn Hit device cam turning device pedestal, 7, damper seat, 8, string.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that term " top ", " bottom ", " right side ", " left side ", " preceding The orientation or positional relationship of the instructions such as face ", " back ", " intermediate position ", " inside ", " top ", " bottom end " is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical Novel limitation；Term " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply opposite Importance；Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, example Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected It connects；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of piano key driving structure, including driving Main structure body 1, the left side of driving structure main body 1 are connected with damper lever 2, and the bottom activity of driving structure main body 1 connects It is connected to interlocking bar 3, the bottom of interlocking bar 3 is connected with key 4, and the top movable of interlocking bar 3 is connected with mandril 5, mandril 5 Top movable is connected with hammerhead component 6, and the top of damper lever 2 is fixedly connected with damper seat 7, the left side of damper seat 7 It is connected with string 8, the bottom of key 4 is connected with white key 402, and the top of mandril 5 is fixedly connected with protrusion 501, mandril 5 Intermediate position be connected with mounting ring 503, the intermediate position of hammerhead component 6 is fixedly connected with turning device cam 603, turn hit The right side of device cam 603 and it is fixedly connected with actuator 604, the bottom of turning device cam 603 is connected with turning device cam Turning device pedestal 605, the top of turning device cam 603 is fixedly connected with hammerhead 601, after the bottom of white key 402 is fixedly connected with The top insertion of shelves 401, white key 402 is connected with black key 403, and position is fixedly connected with middle-grade 404 among the bottom of white key 402, The right side of middle-grade 404 is fixedly connected with preceding shelves 405.

Wherein, the bottom right side of white key 402 is fixedly connected with damper 406, in contemporary society, possesses hobby Not within minority, musical instrument is liked that piano is also one of them by many people deeply, we are equipped with damper in the key mapping bottom of piano 406, most of performing artists played with dense passion, it is very serious that the key mapping of piano, which is damaged, in order to guarantee piano Service life, reduce that piano key bit loss is bad by damper 406, increase the service life of piano.

Wherein, the top of protrusion 501 is closely fitted with buffer layer 502, and during performance, the speed of rhythm can bring sound Sound it is of flowing rhythm, more and more players require the more superior of piano sounding, we mandril 5 top be arranged buffer layer 502, the movement of mandril can bring certain noise, and in order to eliminate the interference of noise, it is miscellaneous to reduce that buffer layer 502 is arranged in we The sounding of sound, and protrusion 501 can also serve the same role, to improve the audio of piano, make attentive listener that can more have a taste of sound Happy glamour.

Wherein, the bottom of mounting ring 503 is flexibly connected have elastic component 504, when playing beginning, elastic element 504 Divide the upper end for retracting and actuator 604 being made to be resisted against mandril 5；After the external force release being applied on key, elastic element 504 is returned to Free state, the active force provided in the process can assist the gravity of hammerhead component 6 be together rapidly returned to actuator 604 with Apply active force to mandril 5.The setting of elastic element 504 can be such that overall mechanism is more promptly converted to hit chordal shaped state, improve Upright piano plays sensitivity, to further adapt to quickly continuously play.

Wherein, mandril 5 be by the protrusion 501 at top, the buffer layer 502 on raised 501 surfaces, intermediate position mounting ring 503, the elastic element 504 of 503 bottom of mounting ring collectively constitutes, and has protrusion 501 in mandril 5, and protrusion 501 is located at mandril 5 Right side, played power in key and be pressed into extreme lower position and be in during rotation falls after rise in static and hammerhead component 6, protrusion 501 are configured to before mandril 5 encounters turning device cam 603, abut with another in mandril 5 and stop hammerhead component 6 Rotation fall after rise.Protrusion 501 can limit hammerhead component 6 during returning after hammerhead component 6 taps string, with For the reset slot milling of mandril 5, protrusion 501 is preferably disposed on mandril 5, and buffer layer 502 and protrusion 501 can play well Isolation noise effect, the setting of elastic element 504 can be such that overall mechanism is more promptly converted to hit chordal shaped state, improve Upright piano plays sensitivity, to further adapt to quickly continuously play.

Wherein, hammerhead component 6 is the hammerhead 601 by top, hammerhead handle 602, the turning device cam 603 at intermediate position, bottom Turning device cam turning device pedestal 605, the actuator 604 in portion rearrange, and one end of hammerhead handle 602 is equipped with hammerhead 601 simultaneously And its other end is fixedly installed relative to turning device cam 603, turning device cam 603 can be around turning device cam turning device axis Frame 605 rotate so that hammerhead handle 602 rotate, mandril 5 can around motion bar rotate so that drive turning device cam 605 around turn Device cam turning device pedestal 605 is hit to rotate so that hammerhead 602 taps string 8, for after the external force release being applied on key Apply active force on mandril 5 so that the direction that mandril 5 is directed away from key pivots, operation not only can be improved in combination in this way It is smooth, mandril 5 is pushed back into the position contacted with 603 bottom of turning device cam by actively applying external force, is being applied to key On external force cancel after remain that mandril 5 is in excited state, in this way in key slightly off the position for being pressed into bottom It plays repeatedly and hits string, improve upright piano plays sensitivity, so that singly-bound is had preferable double hit performance, to adapt to quick Continuously play, and then make playing more freely for upright piano, it is handy, thus, when player flicks, play the musical instrument slowly key or When quickly connection is played, upright piano can reliably pronounce.

Working principle:

Firstly, install the driving structure, when playing beginning, elastic element 504 is partially retracted make actuator 604 against In the upper end of mandril 5；After the external force release being applied on key, elastic element 504 returns to free state, mentions in the process The active force of confession can assist the gravity of hammerhead component 6 to be together rapidly returned to actuator 604 to apply active force to mandril 5.Bullet The setting of property element 504 can be such that overall mechanism is more promptly converted to hit chordal shaped state, it is sensitive to improve playing for upright piano Degree, to further adapt to quickly continuously play；

Then, there is protrusion 501, protrusion 501 is located at the right side of mandril 5, is pressed into most in key by power is played in mandril 5 Lower position and be in during rotation falls after rise in static and hammerhead component 6, protrusion 501 is configured to encounter turning device in mandril 5 convex Before wheel 603, the rotation for abutting with another in mandril 5 and stopping hammerhead component 6 is fallen after rise.Protrusion 501 can be in hammerhead group Hammerhead component 6 is limited during being returned after the percussion string of part 6, with the reset slot milling for mandril 5, protrusion 501 It is preferably disposed on mandril 5, buffer layer 502 and protrusion 501 can play the good effect for completely cutting off noise；

Then one end of hammerhead handle 602 is equipped with hammerhead 601 and its other end is set relative to the fixation of turning device cam 603 It sets, turning device cam 603 can be rotated around turning device cam turning device pedestal 605 so that the rotation of hammerhead handle 602,5 energy of mandril It is enough to be rotated around motion bar and then turning device cam 605 is driven to rotate around turning device cam turning device pedestal 605 so that hammerhead 602 tap string 8, for applying active force so that 5 direction of mandril on mandril 5 after the external force release being applied on key Direction far from key pivots, and mandril 5 is pushed back the position contacted with 603 bottom of turning device cam by actively applying external force, Remain that mandril 5 is in excited state after being applied to the external force on key and cancelling, in this way in key slightly off being pressed into bottom Position can play repeatedly and hit string, improve upright piano plays sensitivity, so that singly-bound is had preferable double hit performance, To adapt to quickly continuously play, and then make playing more freely for upright piano, it is handy；

And then, power is played when removing, i.e., after player's finger leaves key 4, since the effect of gravity makes hammered string instrument structure Whole homing, hammerhead component 6 continues to rotate clockwise and fall after rise in the process, applies active force to top 5, thus pushes Mandril 5 is rotated counterclockwise to the home state for being resisted against 603 bottom of turning device cam, which helps to improve mandril 5 Return, while remaining each position of hammered string instrument structure sets back rapidly, is rapidly converted into overall mechanism and hits chordal shaped state；

Finally, the bottom right side of white key 402 is fixedly connected with damper 406, in contemporary society, possess hobby Not within minority, musical instrument is liked that piano is also one of them by many people deeply, we are equipped with damper in the key mapping bottom of piano 406, most of performing artists played with dense passion, it is very serious that the key mapping of piano, which is damaged, in order to guarantee piano Service life, reduce that piano key bit loss is bad by damper 406, increase the service life of piano, here it is this kind of pianos The working principle of key driving structure.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of piano key driving structure, including driving structure main body (1), it is characterised in that: the driving structure main body (1) Left side be connected with damper lever (2), the bottom of the driving structure main body (1) is connected with interlocking bar (3), institute The bottom for stating interlocking bar (3) is connected with key (4), and the top movable of the interlocking bar (3) is connected with mandril (5), described The top movable of mandril (5) is connected with hammerhead component (6), is fixedly connected with damper seat at the top of the damper lever (2) (7), it is connected with string (8) on the left of the damper seat (7), the bottom of the key (4) is connected with white key (402), raised (501) are fixedly connected at the top of the mandril (5), the intermediate position of the mandril (5) is connected with peace It fills ring (503), the intermediate position of the hammerhead component (6) is fixedly connected with turning device cam (603), the turning device cam (603) it right side and is fixedly connected with actuator (604), the bottom of the turning device cam (603) is connected with turning device Cam turning device pedestal (605) is fixedly connected with hammerhead (601) at the top of the turning device cam (603).

2. a kind of piano key driving structure according to claim 1, it is characterised in that: the bottom of the white key (402) It is fixedly connected with rear shelves (401), the top insertion of the white key (402) is connected with black key (403), the bottom of the white key (402) Position is fixedly connected with middle-grade (404) among portion, is fixedly connected with preceding shelves (405) on the right side of the middle-grade (404).

3. a kind of piano key driving structure according to claim 1, it is characterised in that: the right side of the white key (402) Bottom is fixedly connected with damper (406).

4. a kind of piano key driving structure according to claim 1, it is characterised in that: the top of the protrusion (501) It is closely fitted with buffer layer (502).

5. a kind of piano key driving structure according to claim 1, it is characterised in that: the bottom of the mounting ring (503) Portion, which is flexibly connected, has elastic component (504).

6. a kind of piano key driving structure according to claim 1, it is characterised in that: mandril (5) is by the convex of top Play the bullet of (501), the buffer layer (502) on raised (501) surface, the mounting ring (503) at intermediate position, mounting ring (503) bottom What property element (504) collectively constituted.

7. a kind of piano key driving structure according to claim 1, it is characterised in that: hammerhead component (6) is by top Hammerhead (601), hammerhead handle (602), the turning device cam (603) at intermediate position, the turning device cam turning device pedestal of bottom (605), actuator (604) rearranges.