CN106328099B - A kind of soft pedal of piano extension - Google Patents

A kind of soft pedal of piano extension Download PDF

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Publication number
CN106328099B
CN106328099B CN201610722731.6A CN201610722731A CN106328099B CN 106328099 B CN106328099 B CN 106328099B CN 201610722731 A CN201610722731 A CN 201610722731A CN 106328099 B CN106328099 B CN 106328099B
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China
Prior art keywords
shell
soft pedal
pin
key
soft
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CN201610722731.6A
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Chinese (zh)
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CN106328099A (en
Inventor
张贞
翟玥坤
常丽文
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Zhengzhou Normal University
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Zhengzhou Normal University
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10CPIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00Details or accessories
    • G10C3/26Pedals or pedal mechanisms; Manually operated sound modification means

Abstract

The invention discloses a kind of soft pedals of piano of piano technical field extension, including shell, the bottom of the shell is provided with pedestal, the outer wall of the pedestal is provided with through slot, the inner cavity transverse splicing of the through slot has support shaft, soft pedal is socketed in the middle part of the support shaft outer wall, keyboard shell is provided at the top of the shell, key is evenly arranged at the top of the keyboard shell, one end of the soft pedal is connected with mandril by pin shaft, bulb is provided at the top of the mandril, ball pin set is socketed at the top of the bulb, the right side of the ball pin set is connected with rocking bar, connecting pin is plugged in the middle part of the rocker body, one end of the connecting pin and the inner wall of shell connect, right end at the top of the rocking bar has been connected by screw to jacking block, the top of the jacking block is contacted with the bottom end of keyboard shell, the device practicability It by force, is suitable for promoting.

Description

A kind of soft pedal of piano extension
Technical field
The present invention relates to piano technical field, specially a kind of soft pedal of piano extension.
Background technique
Acoustic piano is used to from finger or actuator input power transmit energy at the sense of hearing, vibration force using various systems, The set that Transmission system passes through pivoting lever receives the network of finger or bar, heelpiece and hammerhead in actuator input.Piano can To generate large-scale volume, bigger piano can be with this range of further expansion, to include very loud sound, still It needs to avoid the case where disturbing residents in the occasion connection of apartment, school, such as Chinese Patent Application No. is 201480058948.0 It is a kind of to have multiple piano keies and hammered string instrument, including interlocking bar group in the piano of performance selective normally and under soft sound mode Part and multiple piano hammerheads, soft pedal system include soft pedal and installation for normally with soft sound mode position it Between move hammerhead back shelves.Piano key lift shelves installation is for being that key promotes the normal mode position that contact separates and in contact And promoted and moved between key and the soft sound mode position for interlocking bar assembly, the apparatus structure is complex, and when use be easy to cause Mechanical failure, for this purpose, we have proposed a kind of soft pedals of piano extension.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of soft pedal of piano extension Piano is likely to result in the problem of disturbing residents while bringing music.
To achieve the above object, the invention provides the following technical scheme: a kind of soft pedal of piano extension, including shell Body, the bottom of the shell are provided with pedestal, and the outer wall of the pedestal is provided with through slot, and the inner cavity transverse splicing of the through slot has branch Axis is supportted, soft pedal is socketed in the middle part of the support shaft outer wall, keyboard shell, the keyboard shell is provided at the top of the shell Top be evenly arranged with key, one end of the soft pedal is connected with mandril, the top setting of the mandril by pin shaft There is bulb, be socketed with ball pin set at the top of the bulb, the right side of the ball pin set is connected with rocking bar, in the rocker body Portion is plugged with connecting pin, and one end of the connecting pin and the inner wall of shell connect, and the right end at the top of the rocking bar is connected by screw It is connected to jacking block, the top of the jacking block is contacted with the bottom end of keyboard shell, the left and right two of the other end of keyboard shell bottom Side is provided with deck, and the deck is connected by the inner wall of pivot pin and shell, and the bottom of the key is provided with supporting block, institute The bottom for stating supporting block is connect with the bottom of keyboard shell inner cavity, and the left and right ends of the supporting block are connected with pressure by elastic component Block, the other end of the briquetting and the bottom of key connect, and the right side wall of the key is provided with axle sleeve, the top of the axle sleeve It is connected with connecting rod by pin shaft, the top of the connecting rod is connected with swing rod by pin shaft, passes through pin in the middle part of the swing rod ontology The connection of the inner wall of axis and shell, the right end of the swing rod are connected with brace, and the right end of the brace is connected with hammer, described String is provided on the right side of hammer, the both ends of the string are connected by the inner wall of spud pile and shell.
Preferably, the junction of the support shaft and soft pedal is provided with bearing, the bottom setting of the soft pedal There is spring, and the intracavity bottom of the bottom of spring and through slot connects.
Preferably, support plate is provided at the top of the jacking block, and the junction of support plate and keyboard shell is provided with gasket.
Preferably, the left side wall of the hammer is provided with threaded hole, and the hammer is connected by the right side wall of screw and brace It connects.
Preferably, non-slip mat is provided at the top of the soft pedal, and the outer wall of non-slip mat is evenly arranged with anti-skidding painting Line.
Compared with prior art, the beneficial effects of the present invention are: the piano extension soft pedal, using soft pedal one The work structuring of soft pedal is divided into two steps by the mode of bar line and one line substep of key, reduces the direct contact to string, drop The risk of low directly contact damage, a mechanism being made up of multiple components between key and hammer, so that maintenance side Just, and replacement cost is reduced, soft pedal is directly controlled by foot, adjustment angle is more flexible, changes previous Mechanical regulation, control form directly, effectively, the connection that is covered by bulb and ball pin so that the connection between mandril and rocking bar more Add flexibly, be adapted to large-scale angle change, the device is practical, is suitable for promoting.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is soft pedal structural schematic diagram of the present invention;
Fig. 3 is press-key structure schematic diagram of the present invention;
Fig. 4 is keyboard shell structure schematic diagram of the present invention.
In figure: 1 shell, 2 pedestals, 3 through slots, 4 support shafts, 5 soft pedals, 6 keyboard shells, 7 keys, 8 mandrils, 9 bulbs, 10 Ball pin set, 11 rocking bars, 12 connecting pins, 13 jacking blocks, 14 briquettings, 15 supporting blocks, 16 axle sleeves, 17 connecting rods, 18 swing rods, 19 braces, 20 hammers, 21 strings, 22 decks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of soft pedal of piano extension, including shell 1, The bottom of the shell 1 is provided with pedestal 2, and the outer wall of the pedestal 2 is provided with through slot 3, and the inner cavity transverse splicing of the through slot 3 has Support shaft 4 is socketed with soft pedal 5 in the middle part of 4 outer wall of support shaft, and the top of the shell 1 is provided with keyboard shell 6, institute The top for stating keyboard shell 6 is evenly arranged with key 7, and one end of the soft pedal 5 is connected with mandril 8, the top by pin shaft The top of bar 8 is provided with bulb 9, and the top of the bulb 9 is socketed with ball pin set 10, and the right side of the ball pin set 10, which is connected with, shakes Bar 11 is plugged with connecting pin 12 in the middle part of 11 ontology of rocking bar, and one end of the connecting pin 12 is connect with the inner wall of shell 1, The right end at 11 top of rocking bar has been connected by screw to jacking block 13, the top of the jacking block 13 and the bottom end of keyboard shell 6 It contacts, deck 22 is provided at left and right sides of the other end of 6 bottom of keyboard shell, the deck 22 passes through pivot pin and shell 1 inner wall connection, the bottom of the key 7 are provided with supporting block 15, the bottom of the supporting block 15 and the bottom of 6 inner cavity of keyboard shell The left and right ends of portion's connection, the supporting block 15 are connected with briquetting 14, the other end and key 7 of the briquetting 14 by elastic component Bottom connection, the right side wall of the key 7 is provided with axle sleeve 16, and the top of the axle sleeve 16 is connected with connecting rod by pin shaft 17, the top of the connecting rod 17 is connected with swing rod 18 by pin shaft, and the middle part of 18 ontology of swing rod passes through pin shaft and shell 1 Inner wall connection, the right end of the swing rod 18 are connected with brace 19, and the right end of the brace 19 is connected with hammer 20, described to hit The right side of hammer 20 is provided with string 21, and the both ends of the string 21 are connect by spud pile with the inner wall of shell 1.
Wherein, the junction of the support shaft 4 and soft pedal 5 is provided with bearing, the bottom setting of the soft pedal 5 There is spring, and the bottom of spring is connect with the intracavity bottom of through slot 3, bearing makes the contact position of support shaft 4 Yu soft pedal 5 Frictional force reduce, soft pedal 5 is connect by spring with through slot 3, so that after being finished soft pedal 5, soft pedal 5 can be Self-return under the action of spring, the top of the jacking block 13 is provided with support plate, and support plate and the junction of keyboard shell 6 are set It is equipped with gasket, support plate increases the contact area of top plate and keyboard shell 6, reduces the contact pressure of jacking block 13 and keyboard shell 6, gasket Reduce the frictional force between keyboard shell 6 and support plate, and play the effect of buffering, the left side wall of the hammer 20 is provided with screw thread Hole, the hammer 20 are connect by screw with the right side wall of brace 19, and hammer 20 and brace 19 are connected by screw to, so that Brace 19 and the connection of hammer 20 are more compact, and the top of the soft pedal 5 is provided with non-slip mat, and the outer wall of non-slip mat It is evenly arranged with anti-skidding painting line, non-slip mat increases the frictional force of foot and soft pedal 5, and plays the comfortable effect of massage.
Working principle: in use, foot-operated soft pedal 5, mandril 8 is moved up under the action of soft pedal 5,9 lifting the ball of bulb Guide 10 declines, and ball pin set 10 rotates rocking bar 11 around connecting pin 12, so that the right end of rocking bar 11 rises, on jacking block 13 It rises, jacking block 13 jacks up one end of keyboard shell 6, and keyboard shell 6 rotates under the action of deck 22 around deck 22, keyboard shell 6 One end is raised, and key 7 is elevated, and when pressing keys 7, under the action of supporting block 15, key 7 turns around the top of supporting block 15 Dynamic, the right end of key 7 rises, and connecting rod 17 rises, and the left end of swing rod 18 rises, the right end decline of swing rod 18, brace 19 with hit Hammer 20 declines, so that hammer 20 is contacted with string 21, achievees the effect that percussion, and under the action of soft pedal 5 is a series of, hit The position of 20 percussion string 21 of hammer has declined, and achievees the effect that soft sound.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of soft pedal of piano extension, including shell (1), the bottom of the shell (1) are provided with pedestal (2), special Sign is: the outer wall of the pedestal (2) is provided with through slot (3), and the inner cavity transverse splicing of the through slot (3) has support shaft (4), described It is socketed with soft pedal (5) in the middle part of support shaft (4) outer wall, is provided with keyboard shell (6), the key at the top of the shell (1) It is evenly arranged at the top of disk shell (6) key (7), one end of the soft pedal (5) is connected with mandril (8), institute by pin shaft It states and is provided at the top of mandril (8) bulb (9), is socketed with ball pin set (10) at the top of the bulb (9), the ball pin set (10) Right side be connected with rocking bar (11), be plugged with connecting pin (12) in the middle part of rocking bar (11) ontology, the connecting pin (12) One end is connect with the inner wall of shell (1), and the right end at the top of the rocking bar (11) has been connected by screw to jacking block (13), the jacking block (13) top is contacted with the bottom end of keyboard shell (6), is respectively provided at left and right sides of the other end of keyboard shell (6) bottom Have deck (22), the deck (22) is connect by pivot pin with the inner wall of shell (1), and the bottom of the key (7) is provided with branch The bottom of bracer (15), the supporting block (15) is connect with the bottom of keyboard shell (6) inner cavity, the left and right two of the supporting block (15) End is connected with briquetting (14) by elastic component, and the other end of the briquetting (14) is connect with the bottom of key (7), the key (7) right side wall is provided with axle sleeve (16), and the top of the axle sleeve (16) is connected with connecting rod (17), the connecting rod by pin shaft (17) top is connected with swing rod (18) by pin shaft, and the middle part of swing rod (18) ontology is interior by pin shaft and shell (1) Wall connection, the right end of the swing rod (18) are connected with brace (19), and the right end of the brace (19) is connected with hammer (20), It is provided with string (21) on the right side of the hammer (20), the both ends of the string (21) are connect by spud pile with the inner wall of shell (1).
2. a kind of soft pedal of piano extension according to claim 1, it is characterised in that: the support shaft (4) with it is soft The junction of sound pedal (5) is provided with bearing, and the bottom of the soft pedal (5) is provided with spring, and the bottom of spring and logical The intracavity bottom of slot (3) connects.
3. a kind of soft pedal of piano extension according to claim 1, it is characterised in that: the top of the jacking block (13) It is provided with support plate, and the junction of support plate and keyboard shell (6) is provided with gasket.
4. a kind of soft pedal of piano extension according to claim 1, it is characterised in that: the left side of the hammer (20) Wall is provided with threaded hole, and the hammer (20) is connect by screw with the right side wall of brace (19).
5. a kind of soft pedal of piano extension according to claim 1, it is characterised in that: the soft pedal (5) Top is provided with non-slip mat, and the outer wall of non-slip mat is evenly arranged with anti-skidding painting line.
CN201610722731.6A 2016-08-25 2016-08-25 A kind of soft pedal of piano extension Active CN106328099B (en)

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CN106328099B true CN106328099B (en) 2019-09-06

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109448667B (en) * 2018-09-12 2021-03-30 烟台南山学院 Soft sound pedal of piano extension

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450749A (en) * 1982-04-23 1984-05-29 Stahnke Wayne L Method and apparatus for recording and reproducing pedalling effects in a piano performance
CN86205380U (en) * 1986-07-29 1987-11-18 曹杨 Popular upright piano
JPH05289657A (en) * 1992-04-14 1993-11-05 Kawai Musical Instr Mfg Co Ltd Automatic playing piano
CN2924713Y (en) * 2006-06-16 2007-07-18 黄三元 Three-in-one grand piano
CN101777344A (en) * 2009-01-13 2010-07-14 雅马哈株式会社 Pedal apparatus of electronic musical instrument
CN204857172U (en) * 2015-06-19 2015-12-09 孙亚飞 Novel piano
CN105684076A (en) * 2013-10-03 2016-06-15 施坦威乐器公司 Piano extended soft pedal
CN105706160A (en) * 2013-10-03 2016-06-22 施坦威乐器公司 Piano extended soft pedal

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450749A (en) * 1982-04-23 1984-05-29 Stahnke Wayne L Method and apparatus for recording and reproducing pedalling effects in a piano performance
CN86205380U (en) * 1986-07-29 1987-11-18 曹杨 Popular upright piano
JPH05289657A (en) * 1992-04-14 1993-11-05 Kawai Musical Instr Mfg Co Ltd Automatic playing piano
CN2924713Y (en) * 2006-06-16 2007-07-18 黄三元 Three-in-one grand piano
CN101777344A (en) * 2009-01-13 2010-07-14 雅马哈株式会社 Pedal apparatus of electronic musical instrument
CN105684076A (en) * 2013-10-03 2016-06-15 施坦威乐器公司 Piano extended soft pedal
CN105706160A (en) * 2013-10-03 2016-06-22 施坦威乐器公司 Piano extended soft pedal
CN204857172U (en) * 2015-06-19 2015-12-09 孙亚飞 Novel piano

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