CN209747109U

CN209747109U - Portable Chinese zither

Info

Publication number: CN209747109U
Application number: CN201920160341.3U
Authority: CN
Inventors: 刘胜
Original assignee: Yangzhou Drunken Tang Instrument Co Ltd
Current assignee: Yangzhou Drunken Tang Instrument Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-06
Anticipated expiration: 2029-01-29

Abstract

The utility model provides a portable koto, including koto inner frame and panel, the panel is fixed in on the koto inner frame, the koto inner frame includes the bottom plate, is fixed in the first curb plate of bottom plate one side, is fixed in the second curb plate of bottom plate opposite side, be fixed with koto head board, string nail board, first sound beam board, second sound beam board and koto tail board in proper order between first curb plate and the second curb plate from koto tail direction, all be provided with the sound beam hole on first sound beam board and the second sound beam board, be provided with sound beam column in the sound beam hole; the overall length of the zither is less than 130 cm. The application provides a portable koto reduces the whole size of koto at length direction to change original three sound beam boards into two sound beam boards, make sound beam board both sides have sufficient vibration space, for the mode of equal proportion scaling has increased the play sound resonance nature of the panel of koto, the koto goes out the sound sympathetic response effect better.

Description

portable Chinese zither

Technical Field

the utility model belongs to the technical field of musical instrument and specifically relates to a portable zither.

background

Is a Chinese Han nationality traditional musical instrument, belonging to plucked musical instruments. The Chinese zither is one of unique and important national musical instruments in China, is deeply loved by the masses, and is produced by the existing zither with the model number S163-21, namely, the whole zither with the 21 strings of 163cm length is a 21-string zither, the distance between the first sound beam plate and the string nail plate in the zither is 21cm, three sound beam plates are arranged in the internal frame of the zither, each sound beam plate is provided with a sound beam hole, and the middle position of each sound beam hole is provided with a sound beam column.

the Chinese zither with the structure is large in whole, and the indoor space occupies too much, so that the Chinese zither is not beneficial to teaching by many people. The whole is overweight, is unfavorable for the study of the students of young age, and it is inconvenient to carry to go out the performance study, and the cost of carrying is too high, is unfavorable for zither culture to spread and promote.

Although someone reduces the whole size of the zither in length direction in equal proportion subsequently to produce the smaller zither, the zither only reduces the whole size, and the zither has unsatisfactory sound resonance effect.

Disclosure of Invention

An object of the utility model is to provide a portable zither to solve foretell technical problem.

The technical scheme of the application is as follows: a portable koto comprises a koto inner frame and a panel, wherein the panel is fixed on the koto inner frame, the koto inner frame comprises a bottom plate, a first side plate and a second side plate, the first side plate is fixed on one side of the bottom plate, the second side plate is fixed on the other side of the bottom plate, a koto head plate, a string nail plate, a first sound beam plate, a second sound beam plate and a koto tail plate are sequentially fixed between the first side plate and the second side plate from the head to the tail of the koto, sound beam holes are formed in the first sound beam plate and the second sound beam plate, and sound beam columns are arranged in the sound beam holes; the overall length of the zither is less than 130 cm.

Preferably, the whole length of the zither is 128cm, the distance from the first sound beam plate to the string nail plate is 20cm, the distance from the first sound beam plate to the second sound beam column is 34cm, and the distance from the second sound beam plate to the zither tail plate is 54 cm.

Preferably, the head width of the Chinese zither is 34cm, and the closing width of the Chinese zither is 20 cm.

Preferably, the whole length of zither is 103cm, the distance from the first sound beam plate to the string nail plate is 20cm, the distance from the first sound beam plate to the second sound beam column is 36cm, and the distance from the second sound beam plate to the tail plate of zither is 34 cm.

Preferably, the head width of the Chinese zither is 30cm, and the tail width of the Chinese zither is 24.5 cm.

Preferably, the height of the first side plate is 4.5cm, the height of the second side plate is 5.5cm, and the heights of the first sound beam plate and the second sound beam plate are both 8.5 cm.

Preferably, two sound beam columns are arranged in the sound beam hole of the first sound beam plate, and one sound beam column is arranged in the sound beam hole of the second sound beam plate.

Preferably, the two sound beam columns in the sound beam hole of the first sound beam plate are symmetrically arranged with respect to the center of the sound beam hole of the first sound beam plate.

preferably, a first inclined surface is arranged on one side, close to the peg board, of the top of the first side board, and the first inclined surface is located between the peg board and the second beam board; a second inclined surface is arranged on one side, close to the string nail plate, of the top of the second side plate, and the second inclined surface is located between the string nail plate and the second sound beam plate; the inclination direction of the first inclined surface is opposite to that of the second inclined surface, and the distance from the bottom end of the first inclined surface to the bottom end of the second inclined surface is smaller than the distance from the top end of the first inclined surface to the top end of the second inclined surface.

Preferably, the panel is provided with a rear mountain, and the rear mountain is arranged in a straight line shape.

the application provides a portable koto reduces the whole size of koto at length direction to change original three sound beam boards into two sound beam boards, make sound beam board both sides have sufficient vibration space, for the mode of equal proportion scaling has increased the play sound resonance nature of the panel of koto, the koto goes out the sound sympathetic response effect better.

Drawings

Figure 1 is a schematic view of the overall structure of a portable zheng (Chinese zither) with the overall length of 128cm provided by the utility model,

For the convenience of observation, the strings of the koto are not drawn in the figure;

Fig. 2 is a schematic structural diagram of an inner frame of a portable koto with an overall length of 128cm according to the present invention;

Figure 3 is a schematic view of the overall structure of a portable koto with an overall length of 103cm provided by the utility model,

fig. 4 is a schematic structural diagram of an inner frame of a portable koto with an overall length of 103cm provided by the present invention;

In the figure: the sound beam comprises a bottom plate 1, a first inclined surface 11, a second inclined surface 11-1, a first side plate 2, a second side plate 2-1, a kite head plate 3, a peg plate 4, a first sound beam plate 5, a second sound beam plate 6, an inner frame 7, a panel 7-1, a kite tail plate 8, a sound beam hole 9 and a sound beam column 10.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: the utility model provides a portable koto, see fig. 1-4, including koto inner frame 7 and panel 7-1, the panel is fixed in on the koto inner frame, the koto inner frame includes bottom plate 1, is fixed in first curb plate 2 of bottom plate one side, is fixed in the second curb plate 2-1 of bottom plate opposite side, be fixed with koto head board 3, peg board 4, first sound beam board 5, second sound beam board 6 and koto tail board 8 in proper order from koto the tail direction between first curb plate and the second curb plate, all be provided with sound beam hole 9 on first sound beam board 5 and the second sound beam board 6, be provided with sound beam column in the sound beam hole; the overall length of the zither is less than 130 cm.

On the basis of example 1, the applicant has designed two portable koto: referring to example 2 and example 3,

Example 2: the whole length of zither is 128cm, the distance from first sound beam board to string nail board is 20cm, the distance from first sound beam board to second sound beam column is 34cm, and the distance from second sound beam board to zither tail plate is 54 cm. Preferably, the head width of the Chinese zither is 34cm, and the closing width of the Chinese zither is 20 cm. Through the adjustment for first sound beam column and second sound beam column support firmly to the panel of zither, and it is effectual to go out the sound sympathetic response. In this embodiment, it is preferable that the height of the first side plate is kept to 4.5cm, the height of the second side plate is kept to 5.5cm, and the height of the first tone beam plate and the height of the second tone beam plate are both kept to 8.5 cm.

example 3: the whole length of zither is 103cm, the distance from first sound beam board to string nail board is 20cm, the distance from first sound beam board to second sound beam column is 36cm, and the distance from second sound beam board to zither tail plate is 34 cm. Preferably, the head width of the Chinese zither is 30cm, and the tail width of the Chinese zither is 24.5 cm. Through the adjustment for first sound beam column and second sound beam column support firmly to the panel of zither, and it is effectual to go out the sound sympathetic response. In this embodiment, it is preferable that the height of the first side plate is kept to 4.5cm, the height of the second side plate is kept to 5.5cm, and the height of the first tone beam plate and the height of the second tone beam plate are both kept to 8.5 cm. In this embodiment, in order to reduce the length of the koto as much as possible, the applicant also changes the rear mountain on the panel from an S shape to a straight shape. In this embodiment, the kite head plate is preferably detachably connected to the first side plate and the second side plate, and fig. 4 shows the kite head plate in a detached state.

Embodiment 4, on the basis of the above embodiments, in order to improve the stability of the sound zone and facilitate playing of the accurate tone and the semitone, referring to fig. 2 or fig. 4, two sound beam pillars 10 are disposed in the sound beam hole of the first sound beam plate, and one sound beam pillar is disposed in the sound beam hole of the second sound beam plate. This structure is through setting up two sound beam columns in the sound beam hole with first sound beam slab to control the high point of sound roof beam in a scope region, no matter which limit is some on the left of the central point of panel, all easy and the extremely accurate combination of high point of sound roof beam, the sound zone is more stable, is played the person according to sound, semitone easily and is looked for accurately fast.

In embodiment 5, although measures are taken to improve the sound resonance effect of the zither after the size of the zither is reduced in the above embodiment, because the first side plate, the second side plate and the faceplate of the zither are completely glued, the faceplate of the zither is generally made of wood, the inner frame is generally made of solid wood, that is, the faceplate of the zither and the material of the inner frame are different, and the sound resonance of the faceplate of the zither and the sound resonance of the inner frame are different, the sound resonance effect of the zither still needs to be improved for the occasion with strict requirements, on the basis of the above embodiment, the applicant further designs, referring to fig. 2 or fig. 4, that one side of the top of the first side plate, which is close to the peg plate, is provided with a first inclined surface 11, and the first inclined surface is located between the peg plate and the second beam plate; a second inclined surface 11-1 is arranged on one side, close to the string nail plate, of the top of the second side plate, and the second inclined surface is located between the string nail plate and the second sound beam plate; the inclination direction of the first inclined surface is opposite to that of the second inclined surface, and the distance from the bottom end of the first inclined surface to the bottom end of the second inclined surface is smaller than the distance from the top end of the first inclined surface to the top end of the second inclined surface. During the preparation, with first curb plate, second curb plate and the panel veneer of zither department to the inboard cut an inclined plane can, generally this inclined plane is 0.1cm, then veneer again, at a little inner chamber of production of the panel veneer position department of first curb plate, second curb plate and zither like this, this inner chamber and the inside intercommunication of zither frame have increased the play sound resonance nature of the panel of zither, make whole zither play sound resonance effect more ideal, whole play sound is muddy strong.

In summary, the utility model provides a portable koto has following characteristics:

1. The whole size is small, the teaching of teachers and multiple persons is facilitated, the whole body is light, the learning of students of small ages is facilitated, the carrying and the learning of performance are convenient when people go out, the carrying cost is low, and the Chinese zither education spread and popularization are facilitated;

2. The Chinese zither has good sound resonance effect;

3. The sound zone is stable, and the player can quickly find the correct sound according to the tone and the semitone.

the above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and the words first, second, etc. are used only for the distinction of names and not for the limitation of technical terms, and it is obvious to those skilled in the art that the present invention can be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable koto comprises a koto inner frame (7) and a panel (7-1), wherein the panel is fixed on the koto inner frame, and is characterized in that,

The Chinese zither inner frame comprises a bottom plate (1), a first side plate (2) fixed on one side of the bottom plate and a second side plate (2-1) fixed on the other side of the bottom plate, wherein a zither head plate (3), a string nail plate (4), a first sound beam plate (5), a second sound beam plate (6) and a zither tail plate (8) are sequentially fixed between the first side plate and the second side plate from the head to the tail of the zither, sound beam holes (9) are formed in the first sound beam plate (5) and the second sound beam plate (6), and sound beam columns are arranged in the sound beam holes;

The overall length of the zither is less than 130 cm.

2. The portable zither of claim 1, wherein the overall length of the zither is 128cm, the distance from the first tone beam plate to the peg plate is 20cm, the distance from the first tone beam plate to the second tone beam column is 34cm, and the distance from the second tone beam plate to the kite tail plate is 54 cm.

3. The portable koto according to claim 2, wherein said koto head is 34cm wide and said koto mouth is 20cm wide.

4. The portable zither of claim 1, wherein the overall length of the zither is 103cm, the distance from the first tone beam plate to the peg plate is 20cm, the distance from the first tone beam plate to the second tone beam column is 36cm, and the distance from the second tone beam plate to the kite tail plate is 34 cm.

5. the portable koto according to claim 4, wherein said koto has a head width of 30cm and a tail width of 24.5 cm.

6. The portable koto according to any of the claims 2 to 5, wherein said first side plate has a height of 4.5cm, said second side plate has a height of 5.5cm, and said first tone beam plate and said second tone beam plate each have a height of 8.5 cm.

7. A portable koto according to any of the claims 1-5, characterised in that said first tone beam plate has two tone beam columns (10) placed in its tone beam hole and said second tone beam plate has one tone beam column placed in its tone beam hole.

8. The portable koto according to claim 7, wherein two of said tone beam posts in said tone beam holes of said first tone beam plate are symmetrically disposed about a center of said tone beam hole of said first tone beam plate.

9. a portable koto according to any one of the claims 1 to 5, characterised in that said first side plate has a first inclined surface (11) on a side of the top of said first side plate adjacent to said peg plate, said first inclined surface being located between said peg plate and said second tone beam plate;

A second inclined surface (11-1) is arranged on one side, close to the string nail plate, of the top of the second side plate, and the second inclined surface is located between the string nail plate and the second sound beam plate;

The inclination direction of the first inclined surface is opposite to that of the second inclined surface, and the distance from the bottom end of the first inclined surface to the bottom end of the second inclined surface is smaller than the distance from the top end of the first inclined surface to the top end of the second inclined surface.

10. The portable koto according to claim 4, wherein a rear mountain is mounted on said faceplate, said rear mountain being arranged in a straight line.