CN213935628U

CN213935628U - Digital piano keyboard structure with string striking machine mechanism

Info

Publication number: CN213935628U
Application number: CN202022976081.2U
Authority: CN
Inventors: 汪其见; 卢涛; 吕旻
Original assignee: Hubei Huadu Piano Manufacturing Co ltd
Current assignee: Hubei Huadu Piano Manufacturing Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-10
Anticipated expiration: 2030-12-14

Abstract

The utility model provides a digital piano keyboard structure with action mechanism, includes keyboard chassis (1), its characterized in that: conductive rubber piece (6) are installed to the bottom below of keyboard button (2), are provided with keyboard circuit board (7) on conductive rubber piece (6), one side that the middle part of keyboard after-poppet (3) is close to keyboard button (2) is installed through connecting axle (8) clutch (9), installs ejector pin (11) through ejector pin articulated shaft (10) on clutch (9), and the top that upper end one side of keyboard after-poppet (3) is close to ejector pin (11) is provided with simulation hammer (15), and simulation hammer (15) are installed on keyboard after-poppet (3) through oscillating axle (16), and the end that simulation hammer (15) were hit is fixed and is provided with hammer counter weight (17), the utility model discloses compact structure has reached the playing of traditional mechanical piano and has felt, has promoted player experience impression, and the musical instrument sound is graceful, and the expressive force is good.

Description

Digital piano keyboard structure with string striking machine mechanism

Technical Field

The utility model relates to a piano keyboard structure especially relates to a digital piano keyboard structure with action mechanism, belongs to piano instrument technical field.

Background

The digital piano in the existing market is favored by mass music enthusiasts with excellent timbre and rich multimedia functions, and has the advantages of convenient maintenance, high quality and low price, and the like. However, with the improvement of the playing requirements of players and the sudden leap of the electronic technology, the defect of poor hand feeling of the existing digital piano is slowly highlighted, compared with the traditional piano, the keyboard has poor hand feeling, the strength is light, the experience of the players is poor, the expressive force is insufficient, and the using effect of the existing digital piano is far from that of the traditional piano.

Disclosure of Invention

The utility model aims at current digital piano simple structure, it is relatively poor to feel with traditional piano comparison keyboard, the dynamics is gently fluttered, the player experiences poorly, the not good defect of expressive force is with not enough, provides a compact structure now, has reached the playing of traditional mechanical type piano and has felt, has promoted the player and has experienced the impression, and the musical instrument sound is graceful, and a expressive force is good has the digital piano keyboard structure of string hitting machine mechanism.

In order to achieve the above object, the technical solution of the present invention is: the utility model provides a digital piano keyboard structure with action mechanism, includes the keyboard chassis, installs the keyboard button on the keyboard chassis, and the rear of keyboard button is provided with keyboard after-poppet, its characterized in that: the keyboard is characterized in that a conductive rubber block is installed below the bottom of each keyboard key, a keyboard circuit board is arranged on each conductive rubber block, a linkage device is installed on one side, close to the keyboard keys, of the middle of a keyboard rear support through a connecting shaft, a push rod is installed on each linkage device through a push rod hinged shaft, a simulation string striking hammer is arranged on one side, close to the top end of each push rod, of the upper end of the keyboard rear support, the simulation string striking hammer is installed on the keyboard rear support through a swinging shaft, and a string striking hammer counter weight is fixedly arranged at the tail end of the simulation string striking hammer.

Furthermore, a key tail positioning pin is arranged between the bottom of the key tail balancing weight and the keyboard chassis of the keyboard key, and the key tail positioning pin is fixedly arranged at the bottom of the keyboard key or at the upper end of the keyboard chassis.

Furthermore, a top rod limiting block corresponding to one side of the top rod is fixedly arranged on the side surface, close to the top rod, of the keyboard rear support, and a lower limiting block corresponding to the other side of the top rod is arranged on the other side of the top rod.

Furthermore, a wood supporting rod extending upwards is fixed on one side of the upper surface of the linkage device, and a wood supporting rod is fixedly arranged at the top end of the wood supporting rod.

Furthermore, the ejector rod is of an L-shaped structure, an ejector rod spring is installed between the lower portion of the ejector rod and the linkage device, and a staple bolt is vertically fixed on a keyboard key at the lower end of the linkage device.

Furthermore, a limiting block is arranged between the ejector rod and the wood supporting rod, and the limiting block is fixed with the keyboard rear support through a limiting block connecting rod.

The utility model has the advantages that:

1. the utility model discloses compact structure adopts clutch, simulation hammer and a plurality of stopper to make the keyboard structure have good mechanical properties, has reached the playing of traditional mechanical type piano and has felt, has promoted player's experience impression, and the musical instrument sound is graceful, and the expressive force is good, has effectively avoided the many-sided not enough of current digital piano.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the keyboard comprises a keyboard underframe 1, keyboard keys 2, a keyboard rear support 3, a key tail balancing weight 4, a key tail positioning pin 5, a conductive rubber block 6, a keyboard circuit board 7, a connecting shaft 8, a linkage device 9, an ejector rod articulated shaft 10, an ejector rod 11, an ejector rod spring 12, an ejector rod limiting block 13, a lower limiting block 14, a simulated string striking hammer 15, a swinging shaft 16, a string striking hammer balancing weight 17, a limiting block connecting rod 18, a limiting block 19, a wood supporting rod 20, a wood supporting 21 and a staple bolt 22.

Detailed Description

The invention is described in further detail below with reference to the following description of the drawings and the detailed description.

Referring to fig. 1, the utility model discloses a digital piano keyboard structure with action mechanism, including keyboard chassis 1, install keyboard button 2 on the keyboard chassis 1, keyboard button 2's rear is provided with keyboard after-poppet 3, its characterized in that: the keyboard is characterized in that a conductive rubber block 6 is installed below the bottom of the keyboard key 2, a keyboard circuit board 7 is arranged on the conductive rubber block 6, a linkage 9 is installed on one side, close to the keyboard key 2, of the middle of the keyboard rear support 3 through a connecting shaft 8, a push rod 11 is installed on the linkage 9 through a push rod hinged shaft 10, a simulation string striking hammer 15 is arranged on one side, close to the top end of the push rod 11, of the upper end of the keyboard rear support 3, the simulation string striking hammer 15 is installed on the keyboard rear support 3 through a swinging shaft 16, and a string striking hammer counter weight 17 is fixedly arranged at the tail end of the simulation string striking hammer 15.

The rear part of the keyboard key 2 is provided with a key tail balancing weight 4, a key tail positioning pin 5 is arranged between the bottom of the key tail balancing weight 4 of the keyboard key 2 and the keyboard chassis 1, and the key tail positioning pin 5 is fixedly arranged at the bottom of the keyboard key 2 or the upper end of the keyboard chassis 1.

A top rod limiting block 13 corresponding to one side of the top rod 11 is fixedly arranged on the side surface of the keyboard rear support 3 close to the top rod 11, and a lower limiting block 14 corresponding to the other side of the top rod 11 is arranged on the other side of the top rod 11.

A wood supporting rod 20 extending upwards is fixed on one side of the upper surface of the linkage 9, and a wood supporting 21 is fixedly arranged at the top end of the wood supporting rod 20.

The ejector rod 11 is of an L-shaped structure, an ejector rod spring 12 is arranged between the lower part of the ejector rod 11 and the linkage device 9, and a staple bolt 22 is vertically fixed on the keyboard key 2 at the lower end of the linkage device 9.

A limiting block 19 is arranged between the ejector rod 11 and the wood supporting rod 20, and the limiting block 19 is fixed with the keyboard rear support 3 through a limiting block connecting rod 18.

As shown in fig. 1, a keyboard key 2 is mounted on a keyboard chassis 1, a conductive rubber block 6 is mounted below the bottom of the keyboard key 2, the conductive rubber block 6 is arranged corresponding to a keyboard circuit board 7, and the conductive rubber block 6 can be connected with a corresponding circuit on the keyboard circuit board 7 when the keyboard key 2 is pressed down. The rear part of the keyboard key 2 is provided with a key tail balancing weight 4 for increasing the weight of the key tail part, a key tail positioning pin 5 is arranged between the bottom of the key tail balancing weight 4 of the keyboard key 2 and the keyboard chassis 1, and the key tail positioning pin 5 is fixedly arranged at the bottom of the keyboard key 2 or at the upper end of the keyboard chassis 1.

The rear side of the keyboard key 2 is provided with a keyboard rear support 3, one side of the middle part of the keyboard rear support 3, which is close to the keyboard key 2, is provided with a linkage device 9 through a connecting shaft 8, the linkage device 9 is provided with a mandril 11 through a mandril articulated shaft 10, the mandril 11 is of an L-shaped structure, a mandril spring 12 is arranged between the lower part of the mandril 11 and the linkage device 9, spring guide holes are respectively arranged on the mandril 11 and the mandril spring 12, and the mandril spring 12 plays a role in resetting the mandril 11. The lower end of the linkage device 9 is vertically fixed with a staple bolt 22 on the keyboard key 2, and the lower end of the linkage device 9 is connected with the keyboard key 2 through the staple bolt 22. A wood supporting rod 20 extending upwards is fixed on one side of the upper surface of the linkage 9, and a wood supporting 21 is fixed at the top end of the wood supporting rod 20.

A top rod limiting block 13 corresponding to one side of the top rod 11 is fixedly arranged on the side surface, close to the top rod 11, of the keyboard rear support 3, and the top rod limiting block 13 is used for limiting the top rod 11 when swinging towards one side of the keyboard rear support 3. The other side of the ejector rod 11 is provided with a lower limiting block 14 corresponding to the other side of the ejector rod 11, the lower limiting block 14 is fixed on the keyboard rear support 3 through a connecting rod, the height of the lower limiting block 14 is lower than that of the ejector rod limiting block 13, and the lower limiting block 14 is used for limiting the ejector rod 11 when swinging towards one side of the support wood 21.

A limiting block 19 is arranged between the ejector rod 11 and the wood supporting rod 20, the limiting block 19 is fixed with the keyboard rear support 3 through a limiting block connecting rod 18, and the limiting block connecting rod 18 is located under the ejector rod limiting block 13. A simulation hammer 15 is arranged on one side of the upper end of the keyboard rear support 3 close to the top end of the ejector rod 11, a hammer counter weight 17 is fixedly arranged at the tail end of the simulation hammer 15, the simulation hammer 15 is installed on the keyboard rear support 3 through a swinging shaft 16, the swinging shaft 16 adopts a Shendao structure, the arc surface of the lower edge of the simulation hammer 15 is placed at the top end of the ejector rod 11, and a felt pad is arranged at the contact part of the outer surface of the simulation hammer 15 and the ejector rod 11. Felt pads are also provided at the contact portions between the pseudo hammer 15 and the both ends of the back timber 21.

The utility model discloses a clutch, simulation are hit the hammer, are hit hammer counter weight and a plurality of stopper isotructure for the keyboard structure has good mechanical properties, has reached playing of traditional mechanical type piano and has felt, has promoted player's experience impression. Compared with the existing digital piano, the piano has good playing hand feeling, beautiful piano sound and good expressive force, combines partial advantages of the traditional mechanical piano and further improves the grade of the digital piano.

The above description is made for further details of the present invention with reference to the specific embodiments, and it should not be considered that the embodiments of the present invention are limited to these descriptions, and for those skilled in the art to which the present invention pertains, the simple replacement made without departing from the concept of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a digital piano keyboard structure with action mechanism, includes keyboard chassis (1), installs keyboard button (2) on keyboard chassis (1), and the rear of keyboard button (2) is provided with keyboard after-poppet (3), its characterized in that: conductive rubber blocks (6) are installed below the bottoms of the keyboard keys (2), a keyboard circuit board (7) is arranged on the conductive rubber blocks (6), one side, close to the keyboard keys (2), of the middle portion of the keyboard rear support (3) is provided with a linkage device (9) through a connecting shaft (8), a push rod (11) is installed on the linkage device (9) through a push rod hinged shaft (10), a simulation string striking hammer (15) is arranged on the top end, close to the push rod (11), of one side of the upper end of the keyboard rear support (3), the simulation string striking hammer (15) is installed on the keyboard rear support (3) through a swinging shaft (16), and a string striking hammer counter weight (17) is fixedly arranged at the tail end of the simulation string striking hammer (15).

2. The digital piano keyboard structure with action mechanism according to claim 1, wherein: the keyboard is characterized in that a key tail balancing weight (4) is arranged at the rear part of the keyboard key (2), a key tail positioning pin (5) is arranged between the bottom of the key tail balancing weight (4) and the keyboard chassis (1) of the keyboard key (2), and the key tail positioning pin (5) is fixedly arranged at the bottom of the keyboard key (2) or at the upper end of the keyboard chassis (1).

3. The digital piano keyboard structure with action mechanism according to claim 1, wherein: the side surface of the keyboard rear support (3) close to the ejector rod (11) is fixedly provided with an ejector rod limiting block (13) corresponding to one side of the ejector rod (11), and the other side of the ejector rod (11) is provided with a lower limiting block (14) corresponding to the other side of the ejector rod (11).

4. The digital piano keyboard structure with action mechanism according to claim 1, wherein: a wood supporting rod (20) extending upwards is fixed on one side of the upper surface of the linkage device (9), and a wood supporting rod (21) is fixedly arranged at the top end of the wood supporting rod (20).

5. The digital piano keyboard structure with action mechanism according to claim 1, wherein: the ejector rod (11) is of an L-shaped structure, an ejector rod spring (12) is installed between the lower portion of the ejector rod (11) and the linkage device (9), and a staple bolt (22) is vertically fixed on a keyboard key (2) at the lower end of the linkage device (9).

6. The digital piano keyboard structure with action mechanism according to claim 1, wherein: a limiting block (19) is arranged between the ejector rod (11) and the wood supporting rod (20), and the limiting block (19) is fixed with the keyboard rear support (3) through a limiting block connecting rod (18).