CN103778907A - Wooden electric piano keyboard with cantilever type structure - Google Patents
Wooden electric piano keyboard with cantilever type structure Download PDFInfo
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- CN103778907A CN103778907A CN201310285027.5A CN201310285027A CN103778907A CN 103778907 A CN103778907 A CN 103778907A CN 201310285027 A CN201310285027 A CN 201310285027A CN 103778907 A CN103778907 A CN 103778907A
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Abstract
Disclosed is a wooden electric piano keyboard with a cantilever type structure. Each white key (1) and each black key (2) are mounted on a chassis through a front stop block (6) and a middle stop block (8). A support (12) is fixed at one end, which is away from a player, of the chassis (7). A rear stop block (10) is disposed on the support (12) and located under one end, which is away from the player, of each white key (1). The support is also provided with a cantilever shaft (11). One end of a cantilever bar (4) is provided with a cantilever shaft sleeve (15), and the other end of the cantilever bar (4) is provided with a counterweight block (3) to adjust the weight of the cantilever bar (4). The cantilever shaft sleeve (15) is sleeved on the cantilever shaft (11). A clamping nail (9) is fixed in an opening formed on the cantilever bar (4), and one end of the clamping nail (9) is disposed on an upper surface of the end, which is away from the player, of each white key (1). The support is (12) also provided with an upper stop block (5), and the upper stop block (5) is located above the other end of the cantilever bar (4) and deviated to a direction away from the player. According to the wooden electric piano keyboard, playing touch sense of conventional pianos can be realistically simulated.
Description
Technical field
The present invention relates to a kind of electric piano keyboard, particularly the wooden electric piano keyboard of a kind of cantilevered.
Background technology
Piano is enjoyed great prestige the music circles with its broad range, graceful tone color and unique performance performance, is called as the king of musical instrument.But according to investigation and the research to domestic and international musical instrument market in recent years, need to consume a large amount of timber resources owing to manufacturing traditional piano, and complex manufacturing, cost of labor increase, and cause the price of traditional piano higher, and its sale ratio on musical instrument market declines just year by year.And along with the widespread use of large scale integrated circuit, the development that the maturation of tradition piano sound Sampling techniques and digital circuit are simulated traditional piano playing technology, the tone color of fender and effect be convergence tradition piano, and it has multiple instrument tamber and diversified musical performance form concurrently, thereby on piano market, occupy more and more important position.Owing to using less timber and metallic copper, the production cost of fender is lower, and what add that modern science and technology gives enriches function and stability, and fender becomes more and more piano study persons and concert performer's selection.But compared with traditional piano, the keyboard feel of fender is lighter, and it can not change along with the variation of the dynamics of playing and speed, cause fender learner to be not suitable with conventional steel piano key board, cannot use high-end traditional piano to play out ideal effect in occasions such as match, performance, also cause traditional piano learner to be unwilling to play the problems such as fender.How making playing of electric piano keyboard feel consistent with traditional piano, is puzzlement fender fabricator and user's a great problem, is also fender technical field problem demanding prompt solution.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of wooden electric piano keyboard of cantilever structure that can simulate traditional piano playing sense of touch, its concrete scheme is as follows:
The wooden electric piano keyboard of a kind of cantilever structure, comprise Bai Jian, black key, chassis, front shelves, middle-grade, rear shelves, Bai Jian and black key are by front shelves, middle-grade and rear shelves are arranged on chassis, described keyboard also comprises support, bail, cantilever lever, cantilevered axle, balancing weight, perform, described support is fixedly connected with away from one end of player with described chassis, described support is provided with cantilevered axle, one end of described cantilever lever is provided with cantilever axle sleeve, the other end of described cantilever lever is provided with balancing weight to regulate the weight of cantilever lever, described cantilever axle sleeve and described cantilevered axle are rotationally connected, described cantilever lever is provided with perforate, described bail is fixed in described perforate, one end of described bail is placed on the upper surface of described white key away from one end of player, on described support, be also provided with and perform, described performing is positioned at the top of the described cantilever lever other end and departs to the direction away from player.
Preferably, described bail is snap head bolt, and its round end is placed on the upper surface of described white key away from one end of player, and the described perforate on described cantilever lever is screw.Bail and cantilever lever are spirally connected, and adjust the height of bail, capable of regulating cantilever lever to key the distance away from player one end, thereby the stroke that makes the stroke of balancing weight and key be bordering on the sinking of player one end adapts.
Preferably, on the surface of contact of described white key and bail, be fixedly installed felt pan or rubber blanket, one end of described bail is placed on described felt pan or rubber blanket.Felt pan and rubber blanket can cushion bail and the collision of key in vain, have both reduced noise, can protect again key and bail, and felt pan and rubber blanket stable chemical nature, are not easy corrosion and distortion.
Preferably, described cantilever axle sleeve and cantilevered axle are the annular that has a breach, the internal diameter of described cantilever axle sleeve is slightly less than the external diameter of cantilevered axle, the spacing of described cantilever axle sleeve breach end points is more than or equal to or is slightly less than the length of the long section of the mid point place diameter of described cantilevered axle indentation, there string, so that cantilever axle sleeve can be enclosed within cantilevered axle, realize being rotationally connected of cantilever lever and support, this connected mode of cantilever lever and support has been simplified the installation of cantilevered axle greatly, and cantilevered axle can be fitted snugly in cantilever axle sleeve, avoid owing to occurring between cantilevered axle and cantilever axle sleeve that gap causes cantilever lever motion influenced.
Preferably, described balancing weight has multiple specifications that weight does not wait, and can adjust counterweight effect by using described balancing weight Different Weight specification to reach.Metal weights piece is easy to processing, and the weight of energy a larger increase counterweight.
Preferably, described in, perform, the material of rear shelves is felt or rubber.
The wooden electric piano keyboard of cantilever structure provided by the present invention, its bail can transmit downforce and the reset force of balancing weight weight to key of playing key, compared with axle center, bail lower end is arrived the distance in cantilever axle center to the distance in cantilever axle center with configuration block center of gravity, much smaller, effectively increase resistance that key plays and the reset force of key, key can be set back fast, accomplish the so-called key of industry " with hand ".
The structure of cantilever lever and size have been passed through strict lever ratio and have been calculated, and can more accurately simulate the dynamics of playing of conventional steel piano key board, make the feel of playing of the present invention approach traditional piano.
The weight of balancing weight is adjustable, can regulate easily the dynamics of playing of electric piano keyboard, to meet different players' demand.
Consider movement travel and the momentum relation of key, the wooden keys that the present invention has still adopted conventional steel piano key board to use, thereby feel is more true to nature.
Compared with conventional steel piano key board, the present invention is simple in structure, material, simplified manufacturing technique are produced in saving.Compared with existing electric piano keyboard, keyboard of the present invention more approaches the feel of playing of conventional keyboard.
Accompanying drawing explanation
Fig. 1 is the wooden electric piano keyboard side structure of cantilever structure schematic diagram;
Fig. 2 is cantilever lever schematic perspective view;
Fig. 3 is the wooden electric piano keyboard structural upright of cantilever structure schematic diagram.
Fig. 1 comprises: 1. white key, 2. black key, 3. balancing weight, 4. cantilever lever, 5. perform, 6. front shelves, 7. keyboard chassis, 8. middle-grade, 9. bail, 10. rear shelves, 11. cantilevered axle, 12. supports;
Fig. 2 comprises: 13. balancing weight register pins, 14. bail holes, 15. cantilever axle sleeves.
Embodiment
The wooden electric piano keyboard of a kind of cantilever structure, comprise Bai Jian 1, black key 2, chassis 7, front shelves 6, middle-grade 8, rear shelves 10, white key 1 and black key 2 are arranged on chassis by front shelves 6, middle-grade 8 and rear shelves 10, white key 1, black key 2, front shelves 6, middle-grade 8, support 12 are assembled and are integrated with keyboard chassis 7, key is identical with traditional piano with structure and the connected mode thereof of front shelves 6, middle-grade 8, does not repeat them here.Key is arranged on middle-grade upper, and front shelves and rear shelves 10 mainly play support, guiding and spacing effect.
Described keyboard also comprises support 12, bail 9, cantilever lever 4, cantilevered axle 11, balancing weight 3, perform 5, described support 12 is fixedly connected with away from one end of player with described chassis 7, described rear shelves 10 are arranged on described support 12 and are positioned at one end below of described white key 1 away from player, described support is provided with cantilevered axle 11, one end of described cantilever lever 4 is provided with cantilever axle sleeve 15, the other end of described cantilever lever 4 is provided with balancing weight 3 to regulate the weight of cantilever lever 4, described cantilever axle sleeve 15 is rotationally connected with described cantilevered axle 11, described cantilever lever 4 is provided with perforate, described bail 9 is fixed in described perforate, one end of described bail 9 is placed on the upper surface of described white key 1 away from one end of player, on described support 12, be also provided with and perform 5, described performing 5 is positioned at the top of described cantilever lever 4 other ends and departs to the direction away from player.
Bail 9 is for snap head bolt and its round end are placed on the upper surface of described white key 1 away from one end of player, and the described perforate on described cantilever lever 4 is screw.
On the surface of contact of white key 1 and bail 9, be fixedly installed felt pan or rubber blanket, one end of described bail 9 is placed on described felt pan or rubber blanket.
Balancing weight 3 have weight not wait multiple specifications, by specification not wait weight reach counterweight effect.
Describedly perform 5, the material of rear shelves 10 is felt or rubber.
Key, take middle-grade as fulcrum, passes to bail by the power of playing of key, that is, when player presses down key near its one end, the key other end can move upward, and heads on bail and moves upward, thereby drive cantilever lever to move upward.In the time that cantilever lever moves to the position at the place of performing, quilt moves downward after being performed and stopping, makes its reset thereby press down the key other end.The present invention can effectively increase and plays the resistance of key and the reset force of key, can either increase the weight of to play sense of touch, can make again key set back fast, accomplishes the so-called key of industry " with hand ", and from having simulated realistically the feel of playing of traditional piano.
Claims (12)
1. the wooden electric piano keyboard of cantilever structure, comprise Bai Jian (1), black key (2), chassis (7), front shelves (6), middle-grade (8), rear shelves (10), Bai Jian (1) and black key (2) are by front shelves (6), middle-grade (8) and rear shelves (10) are arranged on chassis, it is characterized in that: described keyboard also comprises support (12), bail (9), cantilever lever (4), cantilevered axle (11), balancing weight (3), perform (5), described support (12) is fixedly connected with away from one end of player with described chassis (7), described support is provided with cantilevered axle (11), one end of described cantilever lever (4) is provided with cantilever axle sleeve (15), the other end of described cantilever lever (4) is provided with balancing weight (3) to regulate the weight of cantilever lever (4), described cantilever axle sleeve (15) is rotationally connected with described cantilevered axle (11), described cantilever lever (4) is provided with perforate, described bail (9) is fixed in described perforate, one end of described bail (9) is placed on the upper surface of described white key (1) away from one end of player, described support is also provided with perform (5) on (12), described performing (5) is positioned at the top of described cantilever lever (4) other end and departs to the direction away from player.
2. the wooden electric piano keyboard of a kind of cantilever structure according to claim 1, it is characterized in that: described bail (9) is for snap head bolt and its round end are placed on the upper surface of described white key (1) away from one end of player, and the described perforate on described cantilever lever (4) is screw.
3. the wooden electric piano keyboard of a kind of cantilever structure according to claim 2, it is characterized in that: on the surface of contact of described white key (1) and bail (9), be fixedly installed felt pan or rubber blanket, one end of described bail (9) is placed on described felt pan or rubber blanket.
4. according to the wooden electric piano keyboard of a kind of cantilever structure described in any one in claim 1-3, it is characterized in that: described cantilever axle sleeve (15) and cantilevered axle (11) are the annular that has a breach, the internal diameter of described cantilever axle sleeve (15) is slightly less than the external diameter of cantilevered axle (11), the spacing of described cantilever axle sleeve (15) breach end points is more than or equal to or is slightly less than the length of the long section of the mid point place diameter of described cantilevered axle (11) indentation, there string, so that cantilever axle sleeve can be enclosed within cantilevered axle, realize being rotationally connected of cantilever lever and support.
5. according to the wooden electric piano keyboard of a kind of cantilever structure described in any one in claim 1-3, it is characterized in that: described balancing weight (3) has multiple specifications that weight does not wait.
6. the wooden electric piano keyboard of a kind of cantilever structure according to claim 4, is characterized in that: described balancing weight (3) has multiple specifications that weight does not wait.
7. according to the wooden electric piano keyboard of a kind of cantilever structure described in claim 1-3, it is characterized in that: described balancing weight (3) is selected the metal material of copper or iron etc.
8. the wooden electric piano keyboard of a kind of cantilever structure according to claim 4, is characterized in that: described balancing weight (3) is selected the metal material of copper or iron etc.
9. according to claim 1-3,6,8 arbitrary described wooden electric piano keyboards of a kind of cantilever structure, it is characterized in that: described in perform (5), the material of rear shelves (10) is felt or rubber.
10. the wooden electric piano keyboard of a kind of cantilever structure according to claim 4, is characterized in that: described in perform (5), the material of rear shelves (10) is felt or rubber.
The wooden electric piano keyboard of 11. a kind of cantilever structure according to claim 5, is characterized in that: described in perform (5), the material of rear shelves (10) is felt or rubber.
The wooden electric piano keyboard of 12. a kind of cantilever structure according to claim 7, is characterized in that: described in perform (5), the material of rear shelves (10) is felt or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285027.5A CN103778907A (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard with cantilever type structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310285027.5A CN103778907A (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard with cantilever type structure |
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| CN103778907A true CN103778907A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310285027.5A Pending CN103778907A (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard with cantilever type structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280161A (en) * | 2015-11-17 | 2016-01-27 | 成都伯格特钢琴自动演奏系统有限公司 | Improved light piano clamp stud |
| CN105913830A (en) * | 2016-06-18 | 2016-08-31 | 刘宝利 | Piano key and middle rail support thereof |
| CN106356048A (en) * | 2015-07-22 | 2017-01-25 | 北京乐器研究所 | Novel-structure electric piano keyboard |
| CN109346029A (en) * | 2018-12-24 | 2019-02-15 | 湖南城市学院 | A kind of piano key plays dynamics adjustment device |
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| CN101937672A (en) * | 2009-06-25 | 2011-01-05 | 雅马哈株式会社 | Key board unit |
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| CN203338741U (en) * | 2013-07-09 | 2013-12-11 | 北京乐器研究所 | Wooden electric piano keyboard having cantilever type structure |
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| CN1728233A (en) * | 2004-07-28 | 2006-02-01 | 株式会社河合乐器制作所 | Keyboard device for keyboard instrument |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356048A (en) * | 2015-07-22 | 2017-01-25 | 北京乐器研究所 | Novel-structure electric piano keyboard |
| CN105280161A (en) * | 2015-11-17 | 2016-01-27 | 成都伯格特钢琴自动演奏系统有限公司 | Improved light piano clamp stud |
| CN105913830A (en) * | 2016-06-18 | 2016-08-31 | 刘宝利 | Piano key and middle rail support thereof |
| CN105913830B (en) * | 2016-06-18 | 2023-04-07 | 刘宝利 | Piano key and middle rail support thereof |
| CN109346029A (en) * | 2018-12-24 | 2019-02-15 | 湖南城市学院 | A kind of piano key plays dynamics adjustment device |
| CN109346029B (en) * | 2018-12-24 | 2023-05-02 | 湖南城市学院 | Piano key playing force adjusting device |
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Free format text: FORMER OWNER: SUN CHAOPING CHEN JINWU TANG JIAN HAN GUOFANG YU ZHAOXIANG CHEN QING Effective date: 20141013 |
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Effective date of registration: 20141013 Address after: 100122 Beijing city Chaoyang District South Park West Road, No. 6 Beijing Instrument Research Institute Applicant after: BEIJING RESEARCH INSTITUTE OF MUSICAL INSTRUMENT Address before: 100122 Beijing city Chaoyang District South Park West Road No. 6 Applicant before: BEIJING RESEARCH INSTITUTE OF MUSICAL INSTRUMENT Applicant before: Sun Chaoping Applicant before: Chen Jinwu Applicant before: Tang Jian Applicant before: Han Guofang Applicant before: Yu Zhaoxiang Applicant before: Chen Qing |
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Application publication date: 20140507 |