CN203338741U - Wooden electric piano keyboard having cantilever type structure - Google Patents
Wooden electric piano keyboard having cantilever type structure Download PDFInfo
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- CN203338741U CN203338741U CN2013204042108U CN201320404210U CN203338741U CN 203338741 U CN203338741 U CN 203338741U CN 2013204042108 U CN2013204042108 U CN 2013204042108U CN 201320404210 U CN201320404210 U CN 201320404210U CN 203338741 U CN203338741 U CN 203338741U
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- cantilever
- piano keyboard
- electric piano
- wooden electric
- bail
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Abstract
Disclosed is a wooden electric piano keyboard having 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 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 (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
The piano range broad with it, graceful tone color and unique performance performance and enjoy great prestige the music circles, be called as the king of musical instrument.But according in recent years to investigation and the research in domestic and international musical instrument market, 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 descends 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 occupy more and more important position on piano market.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 compare 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 the fender learner to be not suitable with the conventional steel piano key board, in occasions such as match, performance, can't use high-end traditional piano to play out ideal effect, 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 the end of described chassis away from the player, described support is provided with cantilevered axle, one end of described cantilever lever is provided with the 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 player's a end, also be provided with and perform on described support, the described top that is positioned at the described cantilever lever other end departing to the direction away from the player of performing.
Preferably, described bail is snap head bolt, and its round end is placed on the upper surface of described white key away from player's a end, and the described perforate on described cantilever lever is screw.Bail and cantilever lever are spirally connected, and adjust the height of bail, the capable of regulating cantilever lever to key the distance away from player's one end, thereby make the stroke of balancing weight and stroke that key is bordering on player's one end sinking adapt.
Preferably, on the surface of contact of described white key and bail, be fixedly installed felt pan or rubber blanket, an 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 key and bail again, 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 long section of the mid point place diameter of described cantilevered axle indentation, there string, so that the cantilever axle sleeve can be enclosed within on 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 make cantilevered axle can fit snugly in the cantilever axle sleeve, avoid owing to occurring between cantilevered axle and cantilever axle sleeve that gap causes the cantilever lever motion influenced.
Preferably, described balancing weight has a plurality of specifications that weight does not wait, and can adjust the counterweight effect by using described balancing weight Different Weight specification to reach.The metal weights piece is easy to processing, and the weight of energy a larger increase counterweight.
Preferably, describedly 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 the downforce of playing key and the balancing weight weight reset force to key, axle center, bail lower end is compared to the distance in cantilever axle center with the configuration block center of gravity to the distance in cantilever axle center, 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 the conventional steel piano key board to use, thereby feel is more true to nature.
With the conventional steel piano key board, compare, the present invention is simple in structure, material, simplified manufacturing technique are produced in saving.With existing electric piano keyboard, compare, keyboard of the present invention more approaches the feel of playing of conventional keyboard.
The accompanying drawing explanation
Fig. 1 is the wooden electric piano keyboard side structure of cantilever structure schematic diagram;
Fig. 2 is the 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 the end of described chassis 7 away from the player, described rear shelves 10 are arranged on described support 12 and are positioned at the end below of described white key 1 away from the 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 player's a end, also be provided with and perform 5 on described support 12, described performing 5 is positioned at the top of described cantilever lever 4 other ends and departs to the direction away from the player.
Be fixedly installed felt pan or rubber blanket on the surface of contact of white key 1 and bail 9, an end of described bail 9 is placed on described felt pan or rubber blanket.
Balancing weight 3 has a plurality of specifications that weight does not wait, by specification, do not wait weight reach the counterweight effect.
Describedly perform 5, the material of rear shelves 10 is felt or rubber.
It is fulcrum that key be take middle-grade, and the power of playing of key is passed to bail, that is, when the player presses down key near its a end, the key other end can move upward, and heads on bail and moves upward, thereby drive cantilever lever, moves upward.When cantilever lever moves to the position at the place of performing, being performed stops backward lower motion, thereby press down the key other end, it is resetted.The present invention can increase the resistance of playing key and the reset force of key effectively, 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, and 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 described chassis (7) end away from the 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 player's a end, described support also is 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 the 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 player's a end, 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: be fixedly installed felt pan or rubber blanket on the surface of contact of described white key (1) and bail (9), an end of described bail (9) is placed on described felt pan or rubber blanket.
4. according to the wooden electric piano keyboard of the described a kind of cantilever structure of 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 long section of the mid point place diameter of described cantilevered axle (11) indentation, there string, so that the cantilever axle sleeve can be enclosed within on cantilevered axle, realize being rotationally connected of cantilever lever and support.
5. according to the wooden electric piano keyboard of the described a kind of cantilever structure of any one in claim 1-3, it is characterized in that: described balancing weight (3) has a plurality of specifications that weight does not wait.
6. the wooden electric piano keyboard of a kind of cantilever structure according to claim 4, it is characterized in that: described balancing weight (3) has a plurality of specifications that weight does not wait.
7. according to the wooden electric piano keyboard of the arbitrary described a kind of cantilever structure of 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, it 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, the wooden electric piano keyboard of 8 arbitrary described a kind of cantilever structure, it is characterized in that: the material of described performing (5), 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: the material of described performing (5), rear shelves (10) is felt or rubber.
11. the wooden electric piano keyboard of a kind of cantilever structure according to claim 5 is characterized in that: the material of described performing (5), rear shelves (10) is felt or rubber.
12. the wooden electric piano keyboard of a kind of cantilever structure according to claim 7 is characterized in that: the material of described performing (5), rear shelves (10) is felt or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204042108U CN203338741U (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard having cantilever type structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204042108U CN203338741U (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard having cantilever type structure |
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| Publication Number | Publication Date |
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| CN203338741U true CN203338741U (en) | 2013-12-11 |
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| CN2013204042108U Expired - Lifetime CN203338741U (en) | 2013-07-09 | 2013-07-09 | Wooden electric piano keyboard having cantilever type structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778907A (en) * | 2013-07-09 | 2014-05-07 | 北京乐器研究所 | Wooden electric piano keyboard with cantilever type structure |
-
2013
- 2013-07-09 CN CN2013204042108U patent/CN203338741U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103778907A (en) * | 2013-07-09 | 2014-05-07 | 北京乐器研究所 | Wooden electric piano keyboard with cantilever type structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150108 Address after: 100122 Beijing city Chaoyang District South Park West Road No. 6 Patentee after: BEIJING MUSICAL INSTRUMENT Research Institute Address before: 100122 Beijing city Chaoyang District South Park West Road No. 6 Patentee before: BEIJING MUSICAL INSTRUMENT Research Institute Patentee before: Sun Chaoping Patentee before: Chen Jinwu Patentee before: Tang Jian Patentee before: Han Guofang Patentee before: Yu Zhaoxiang Patentee before: Chen Qing |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |