CN201066577Y - Digital piano keyboard - Google Patents
Digital piano keyboard Download PDFInfo
- Publication number
- CN201066577Y CN201066577Y CNU2007201243364U CN200720124336U CN201066577Y CN 201066577 Y CN201066577 Y CN 201066577Y CN U2007201243364 U CNU2007201243364 U CN U2007201243364U CN 200720124336 U CN200720124336 U CN 200720124336U CN 201066577 Y CN201066577 Y CN 201066577Y
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Abstract
The utility model relates to a digital piano keyboard, and comprises a piano keyboard bracket, a first installation shaft and a second installation shaft which are arranged on the keyboard bracket, a circuit board that is fixed on the piano keyboard bracket, a plurality of keys that are arranged on the circuit board, a large piano key and a small piano key, a large piano-key balancing block that is movably connected with the first installation shaft, a large piano-key supporting block that is fixed on the large-piano-key balancing block, a large rod that is arranged below the large piano key and can trigger the key, a small piano-key balancing block that is movably connected with the first installation shaft, a small piano-key supporting block that is fixed on the small piano-key balancing block, a small rod that is arranged below the small piano key and can trigger the other key, a first supporting block and a second supporting block which are movably connected with a second rotation shaft, wherein, the first supporting lock is firmly connected with the connecting end of the large piano key, and the second supporting lock is firmly connected with the connecting end of the small piano key; the piano keyboard bracket is provided with a shock-absorption block of the large piano-key balancing block and the small piano-key balancing block. The utility model is characterized in that a first recovery device arranged at the connection end between the large piano key and the piano keyboard bracket, and the first recovery device is auxiliary to support the connecting end of the small piano key. The digital piano keyboard has the advantages of good elasticity of the key and good hand touching, and the keyboard is free from noise, etc.
Description
Technical field
The utility model relates to a kind of digital piano keyboard.
Background technology
Existing digital piano keyboard comprises the key frame; Be installed in first installation shaft and second installation shaft on the key frame; Be fixed on the wiring board on the key frame; Be located at the button on the wiring board; Large and small key, movable end at big key is provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars, be provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars at the movable end of little key; With the big key counterbalance weight that first installation shaft is rotationally connected, big key counterbalance weight is arranged in the strip hole of key frame; With the fixing big key back-up block of big key counterbalance weight, big key back-up block supports big key; Be located at the big pole of the touched button of big key below; With the little key counterbalance weight that first installation shaft is rotationally connected, little key counterbalance weight is arranged in the strip hole of key frame; With the fixing little key back-up block of little key counterbalance weight, little key back-up block supports little key; Be located at the little pole of touching another button of little key below; With first and second back-up block that second rotating shaft is rotationally connected, first back-up block is fixedlyed connected with an end of big key, and second back-up block is fixedlyed connected with an end of little key; Be located at the key frame and be provided with the damping bar of big key counterbalance weight and little key counterbalance weight.During use, the elastic force of large and small key is bad, and the noise that is produced by keyboard is also bigger, and feel is bad.
The utility model content
The utility model is to overcome the deficiencies in the prior art and provide a kind of elastic force of large and small key good, good hand touch during use, and keyboard can not produce a kind of digital piano keyboard of noise sound
In order to achieve the above object, the utility model is achieved in that it is a kind of digital piano keyboard, comprises the key frame; Be installed in first installation shaft and second installation shaft on the key frame; Be fixed on the wiring board on the key frame; Be located at the button on the wiring board; Large and small key, movable end at big key is provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars, be provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars at the movable end of little key; With the big key counterbalance weight that first installation shaft is rotationally connected, big key counterbalance weight is arranged in the strip hole of key frame; With the fixing big key back-up block of big key counterbalance weight, big key back-up block supports big key; Be located at the big pole of the touched button of big key below; With the little key counterbalance weight that first installation shaft is rotationally connected, little key counterbalance weight is arranged in another strip hole of key frame; With the fixing little key back-up block of little key counterbalance weight, little key back-up block supports little key; Be located at the little pole of touching another button of little key below; With first and second back-up block that second rotating shaft is rotationally connected, first back-up block is fixedlyed connected with the link of big key, and second back-up block connects with the stiff end of little key; Be located at the key frame and be provided with the damping bar of big key counterbalance weight and little key counterbalance weight; It is characterized in that: between big key and key frame, be positioned at the link place and be provided with first resetting means, the link of the big key of this first resetting means supplemental support; Between little key and key frame, be positioned at the link place and be provided with second resetting means, the link of the little key of this second resetting means supplemental support.
Described first resetting means comprises first back-moving spring, and first bearing and second bearing at the first back-moving spring two ends is installed; First bearing is fixed on the big key, and second bearing is fixed on the mounting bar, and mounting bar is fixed on the key frame.
Described second resetting means comprises second back-moving spring, and first bearing and second bearing at the second back-moving spring two ends is installed; First bearing is fixed on the little key, and second bearing is fixed on the mounting bar.
Movable end at described big key is provided with groove, is provided with locating piece on the key frame, locating piece and groove clearance fit.
Be provided with limited block on described key frame, this limited block is between two hooks of the movable end of little key.
The utility model advantage compared with prior art is, the elastic force of button is good, good hand touch, and keyboard can not produce the noise sound.
Description of drawings
Fig. 1 is a stereographic map of the present utility model;
Fig. 2 is the stereographic map that combines with little key to the big key of seeing from left of Fig. 1;
Fig. 3 is the stereographic map that combines with little key to the big key of seeing from left of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the utility model is done further detailed description:
As shown in Figures 1 to 3, it is a kind of digital piano keyboard, comprises key frame 6, is provided with strip hole 6b and the more than one spacing hole 6a of one or more thereon.Be installed in first installation shaft 8 and second installation shaft 12 on the key frame.Be fixed on the wiring board 9 on the key frame, be located at the button 10 on the wiring board.Large and small key 1,2; Movable end at big key 1 is provided with the positive stop hook 1a that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars 4,5, movable end at big key is provided with groove 1f, on the key frame, be provided with locating piece 3, locating piece and groove clearance fit, thus the movable end relative positioning piece of big key can be moved up and down; Movable end at little key 2 is provided with the positive stop hook 2a that matches with the key frame, should be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars 16,17; On the key frame, be provided with limited block 6c, this limited block between two positive stop hooks of little key 2 and clearance fit, thereby the movable end relative limit piece of little key is moved up and down mutually.The big key counterbalance weight 7 that is rotationally connected with first installation shaft, big key counterbalance weight is arranged in the strip hole 6b of key frame, its tail end is arranged in spacing hole 6a, with the fixing big key back-up block 15 of big key counterbalance weight, big key back-up block supports big key, also is provided with the boss 1d that matches with big key back-up block below big key.Be located at the big pole 1c of the touched button of big key below, this big pole cooperates with big key back-up block keyway, thereby makes the directed movement of big key back-up block.With the little key counterbalance weight 18 that first installation shaft 8 is rotationally connected, little key counterbalance weight is arranged in another strip hole 6b of key frame, and its tail end is positioned at another spacing hole 6a; With the fixing little key back-up block 19 of little key counterbalance weight, little key back-up block supports little key, also is provided with the boss 2d that matches with little key back-up block below little key.Be located at the ramuscule bar 22 that touches another button of little key below, little pole cooperates with little key back-up block keyway, thereby makes the directed movement of little key back-up block.Fixedly connected with the link of big key with first and second back-up block 13,21, the first back-up blocks that second rotating shaft is rotationally connected, second back-up block is fixedlyed connected with the link of little key; Damping bar 16,17 also is big key counterbalance weight and the damping of little key counterbalance weight.Between big key 1 and key frame 6, be provided with first resetting means, the link of the big key of this first resetting means supplemental support; Between little key 2 and key frame 6, be provided with second resetting means, the link of the little key of this second resetting means supplemental support.In the present embodiment, first resetting means comprises first back-moving spring 14, and the first bearing 1b and the second bearing 11a at the first back-moving spring two ends is installed; First bearing is fixed on the big key 1, and second bearing is fixed on the mounting bar 11, and mounting bar is fixed on the key frame 6.Second resetting means comprises second back-moving spring 20, and the first bearing 2a and the second bearing 11b at the second back-moving spring two ends is installed; First bearing is fixed on the little key 2, and second bearing is fixed on the mounting bar 11.
During use, large and small key back-up block supports large and small button, and first and second back-moving spring also supports large and small button, the Hui Lida of button, good hand touch.
Claims (5)
1. a digital piano keyboard comprises the key frame; Be installed in first installation shaft and second installation shaft on the key frame; Be fixed on the wiring board on the key frame; Be located at the button on the wiring board; Large and small key, movable end at big key is provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars, be provided with the positive stop hook that matches with the key frame, be positioned at the positive stop hook place on the two sides of key frame and be provided with two damping bars at the movable end of little key; With the big key counterbalance weight that first installation shaft is rotationally connected, big key counterbalance weight is arranged in the strip hole of key frame; With the fixing big key back-up block of big key counterbalance weight, big key back-up block supports big key; Be located at the big pole of the touched button of big key below; With the little key counterbalance weight that first installation shaft is rotationally connected, little key counterbalance weight is arranged in another strip hole of key frame; With the fixing little key back-up block of little key counterbalance weight, little key back-up block supports little key; Be located at the little pole of touching another button of little key below; With first and second back-up block that second rotating shaft is rotationally connected, first back-up block is fixedlyed connected with the link of big key, and second back-up block is fixedlyed connected with the link of little key; Be located at the key frame and be provided with the damping bar of big key counterbalance weight and little key counterbalance weight; It is characterized in that: between big key (1) and key frame (6), be positioned at the link place and be provided with first resetting means, the link of the big key of this first resetting means supplemental support; Between little key (2) and key frame (6), be positioned at the link place and be provided with second resetting means, the link of the little key of this second resetting means supplemental support.
2. digital piano keyboard according to claim 1 is characterized in that: first resetting means comprises first back-moving spring (14), and first bearing (1b) and second bearing (11a) at the first back-moving spring two ends is installed; First bearing is fixed on the big key (1), and second bearing is fixed on the mounting bar (11), and mounting bar is fixed on the key frame (6).
3. digital piano keyboard according to claim 1 is characterized in that: second resetting means comprises second back-moving spring (20), and first bearing (2a) and second bearing (11b) at the second back-moving spring two ends is installed; First bearing is fixed on the little key (2), and second bearing is fixed on the mounting bar (11).
4. digital piano keyboard according to claim 1 is characterized in that: the movable end at big key (1) is provided with groove (1f), is provided with locating piece (3) on the key frame, locating piece and groove clearance fit.
5. digital piano keyboard according to claim 1 is characterized in that: be provided with limited block (6c) on key frame (6), this limited block is positioned between two hooks (2a) of movable end of little key (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201243364U CN201066577Y (en) | 2007-05-25 | 2007-05-25 | Digital piano keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201243364U CN201066577Y (en) | 2007-05-25 | 2007-05-25 | Digital piano keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066577Y true CN201066577Y (en) | 2008-05-28 |
Family
ID=39483759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201243364U Expired - Fee Related CN201066577Y (en) | 2007-05-25 | 2007-05-25 | Digital piano keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066577Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737625A (en) * | 2011-04-08 | 2012-10-17 | 武汉天歌电子有限公司 | Digital piano |
| CN103165107A (en) * | 2011-12-13 | 2013-06-19 | 金宝电子（中国）有限公司 | An assembly device for keyboard modules and an assembly method for assembling keyboard modules |
| CN106373553A (en) * | 2016-08-31 | 2017-02-01 | 宁波海宇五金有限公司 | Pianotron keyboard |
| CN108648726A (en) * | 2018-05-30 | 2018-10-12 | 张建阳 | A kind of key has the fingerboard of position-limit mechanism |
| WO2022016913A1 (en) * | 2020-07-24 | 2022-01-27 | 得理乐器(珠海)有限公司 | Spring keyboard |
-
2007
- 2007-05-25 CN CNU2007201243364U patent/CN201066577Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737625A (en) * | 2011-04-08 | 2012-10-17 | 武汉天歌电子有限公司 | Digital piano |
| CN102737625B (en) * | 2011-04-08 | 2014-02-12 | 武汉天歌电子有限公司 | Digital piano |
| CN103165107A (en) * | 2011-12-13 | 2013-06-19 | 金宝电子（中国）有限公司 | An assembly device for keyboard modules and an assembly method for assembling keyboard modules |
| CN103165107B (en) * | 2011-12-13 | 2015-05-13 | 金宝电子（中国）有限公司 | An assembly device for keyboard modules and an assembly method for assembling keyboard modules |
| TWI498060B (en) * | 2011-12-13 | 2015-08-21 | Kinpo Electronics China Co Ltd | Assembling equipment and assembling method for keyboard module |
| CN106373553A (en) * | 2016-08-31 | 2017-02-01 | 宁波海宇五金有限公司 | Pianotron keyboard |
| CN106373553B (en) * | 2016-08-31 | 2019-09-03 | 宁波海宇科技有限公司 | Electric piano keyboard |
| CN108648726A (en) * | 2018-05-30 | 2018-10-12 | 张建阳 | A kind of key has the fingerboard of position-limit mechanism |
| WO2022016913A1 (en) * | 2020-07-24 | 2022-01-27 | 得理乐器(珠海)有限公司 | Spring keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 |