CN219225882U

CN219225882U - Mounting structure of harmonica soundboard

Info

Publication number: CN219225882U
Application number: CN202320068170.8U
Authority: CN
Inventors: 孔焱琳
Original assignee: Jiangsu Huiwen Musical Instrument Co ltd
Current assignee: Jiangsu Huiwen Musical Instrument Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-20
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a mounting structure of a harmonica soundboard, which belongs to the field of harmonica, and comprises a harmonica body, wherein a blowing nozzle and the soundboard are mounted on the harmonica body; wherein, a plurality of through holes are formed on the sound changing plate; a plurality of sound producing holes are formed on the harmonica body; the sound conversion device comprises a sound conversion plate, a driving part and a driving part, wherein an inserting groove is formed in the driving part, and the inserting part is inserted into the inserting groove; the first connecting part is formed on the inserting part, the second connecting part is formed in the inserting groove, the first connecting part is connected with the second connecting part to enable the inserting part and the pushing piece to form a whole body capable of synchronously moving, so that the sound changing plate and the pushing piece are connected with each other through the first connecting part and the second connecting part, connection between the sound changing plate and the pushing piece is stable and reliable, and the sound changing plate and the pushing piece do not fall down firmly in the harmonica playing process.

Description

Mounting structure of harmonica soundboard

Technical Field

The utility model relates to the field of harmonica, in particular to a mounting structure of a harmonica soundboard.

Background

When the harmonica is used, the tone changing key is used, and when the tone changing key is pressed, the tone changing plate slides between the mouth of the harmonica and the lattice of the harmonica, so that different pronunciation holes of the tone changing plate leak out, different notes are played, and when the tone changing key is not pressed, the original tone of the notes is played; when the key is pressed, the sound blowing hole is covered, the sound hole which is originally covered when not pressed is exposed, and the sound of rising half sound is blown; the variable keys are arranged at the edge of the variable tone plate, but the variable keys at the edge of the variable tone plate of many existing harmonicas are glued and can fall off when being knocked, dropped or used for a long time.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide a mounting structure of a harmonica soundboard, which can realize that the soundboard and a pushing piece are mutually connected through a first connecting part and a second connecting part, so that the connection of the soundboard and the pushing piece is stable and reliable, and the harmonica soundboard is firmly prevented from falling in the playing process.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a mounting structure of harmonica change sound board, includes the harmonica body, installs blowing nozzle and change sound board on the harmonica body, is formed with a installation cavity that is used for installing the change sound board between blowing nozzle and the harmonica body; the outer wall of the sound changing plate is at least partially contacted with the inner wall of the mounting cavity; a space for avoiding the movement of the sound changing plate in the installation cavity is formed between the sound changing plate and the installation cavity; wherein, a plurality of through holes are formed on the sound changing plate; a plurality of sound producing holes are formed on the harmonica body; the sound producing holes are distributed along the first dimension array in a plurality, and the sound producing holes are distributed along the second dimension array in two; the distance between two adjacent sound producing holes along the first dimension is a; the two through holes are distributed in a staggered manner along the second dimension; the through holes are distributed in an array along the first dimension, and the distance between two adjacent through holes along the first dimension is 2a; the through hole coincides with the sounding hole; the sound conversion device comprises a sound conversion plate, a driving part and a driving part, wherein an inserting groove is formed in the driving part, and the inserting part is inserted into the inserting groove; the first connecting part is formed on the insertion part, the second connecting part is formed in the insertion groove, and the first connecting part is connected with the second connecting part so that the insertion part and the pushing piece form a whole body capable of synchronously moving. When the pushing piece is not pressed, the playing notes are original sounds, namely the sounds of the sound emitting holes opposite to the through holes. When the variable key is pressed, the sound emitting hole originally opposite to the through hole is covered, and the sound emitting hole originally covered by the variable sound board is exposed, so that different sounds can be played.

Preferably, the first connecting part is a threaded protrusion, and the second connecting part is a threaded groove; the thread protrusion is in threaded connection with the thread groove. The first connecting part and the second connecting part enable the sound changing plate to be in threaded connection with the pushing piece, the sound changing plate and the pushing piece only need to be screwed on and screwed down, connection between the sound changing plate and the pushing piece is stable and reliable, meanwhile, the worn buttons can be detached and replaced more easily, even the buttons with different comfort levels can be replaced along with different fingers of players, and detachment is more convenient

Preferably, the insertion portion is identical to the thickness of the tone plate. Only the screw thread is needed to be processed on the tone changing plate, and the processing cost is low.

Preferably, the through hole is matched with the shape of the sound emitting hole.

Preferably, a pressing portion is formed at an end of the pushing member away from the soundboard, and an end surface of the pressing portion away from the soundboard is configured to gradually move away from an arc-shaped convex surface of the soundboard from an edge portion of the pressing portion to a middle portion of the pressing portion. The shape of the arc-shaped convex surface can be more matched with fingers, so that the hand can be pressed more easily, and the hand can not be cut.

Preferably, the pushing member is formed with a protrusion; the convex part protrudes outwards along the outer part of the pushing piece; a concave part is formed between the pressing part and the convex part; an abutting surface is formed at the joint of the concave part and the pressing part. The finger can be stretched into the concave part, and the stressed part of the finger can be contacted with the abutting surface, so that the pushing piece can be conveniently pulled out to reset the soundboard.

Compared with the prior art, the utility model has the advantages that:

1. the sound-changing plate and the pushing piece are connected with each other through the first connecting part and the second connecting part, so that the connection of the sound-changing plate and the pushing piece is stable and reliable, and the sound-changing plate and the pushing piece are firm and do not fall in the harmonica playing process.

2. The first connecting portion and the second connecting portion enable the soundboard to be in threaded connection with the pushing piece, the soundboard and the pushing piece only need to be screwed on and screwed down, connection between the soundboard and the pushing piece is stable and reliable, meanwhile, the worn buttons can be detached and replaced more easily, even the buttons with different comfort levels can be replaced along with fingers of different players, and detachment is more convenient.

3. The thickness of the insertion part is consistent with that of the sound changing plate, so that materials can be saved on the premise of ensuring that the sound changing plate is connected with the pushing piece, and excessive changes on the sound changing plate are not needed.

Drawings

FIG. 1 is a schematic overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with the mouthpiece removed;

FIG. 3 is a schematic view of the structure of the utility model with the soundboard removed;

FIG. 4 is a schematic diagram of the structure of the soundboard according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4A in accordance with the present utility model;

fig. 6 is a schematic structural view of the pusher of the present utility model.

The reference numerals in the figures illustrate:

the harmonica body 1, the sound producing hole 11, the mouthpiece 2, the blowing hole 21, the soundboard 3, the through hole 31, the insertion part 4, the pushing member 5, the insertion groove 6, the pressing part 7, and the boss 8.

Detailed Description

Referring to fig. 1-6, a mounting structure of a harmonica soundboard comprises a harmonica body 1, wherein a mouthpiece 2 and a soundboard 3 are mounted on the harmonica body 1, and a mounting cavity for mounting the soundboard 3 is formed between the mouthpiece 2 and the harmonica body 1; the outer wall of the soundboard 3 is at least partially contacted with the inner wall of the installation cavity; a space for avoiding the movement of the soundboard 3 in the installation cavity is formed between the soundboard 3 and the installation cavity; wherein, a plurality of through holes 31 are formed on the soundboard 3; a plurality of sound producing holes 11 are formed in the harmonica body 1; the pronunciation holes 11 are distributed along a first dimension array, and two pronunciation holes are distributed along a second dimension array; the distance between two adjacent sound emitting holes 11 along the first dimension is a; the through holes 31 are distributed in a staggered manner along the second dimension; the through holes 31 are distributed in an array along the first dimension, and the distance between two adjacent through holes 31 along the first dimension is 2a; the through hole 31 coincides with the sound emitting hole 11; wherein, one end of the soundboard 3 is formed with an insertion part 4, a pushing piece 5 is arranged at the insertion part 4, and the pushing piece 5 is in a column structure; an insertion groove 6 is formed in the pushing piece 5, the insertion part 4 is of an outwardly convex plate-shaped structure, and the insertion part 4 and the soundboard 3 are integrally formed; the insertion portion 4 is inserted into the insertion groove 6; the insertion part 4 is formed with a first connection part, and the insertion groove 6 is formed with a second connection part, and the first connection part is connected with the second connection part so that the insertion part 4 and the pushing member 5 form a whole body capable of synchronously moving. The first dimension is the length direction of the harmonica, and the second dimension is the width direction of the harmonica; when the pushing member 5 is not pressed, the musical note is played as the original sound, that is, the sound of the sound emitting hole 11 opposed to the through hole 31. When the key is pressed, the sound emitting hole 11 originally opposite to the through hole 31 is covered, and the sound emitting hole 11 originally covered by the tone varying plate 3 is exposed, so that different sounds can be played.

Preferably, the first connecting part is a threaded protrusion, and the second connecting part is a threaded groove; the thread protrusion is in threaded connection with the thread groove. The first connecting part and the second connecting part enable the soundboard 3 to be in threaded connection with the pushing piece 5, the soundboard 3 and the pushing piece are only required to be screwed on and screwed down, connection between the soundboard 3 and the pushing piece is stable and reliable, meanwhile, the worn buttons are easy to detach and replace, even the buttons with different comfort levels can be replaced along with different players' fingers, and detachment is more convenient

Preferably, the insertion portion 4 is formed to have a uniform thickness with the tone plate 3. Only the screw thread is needed to be processed on the soundboard 3, and the processing cost is low.

Preferably, the through hole 31 is matched with the shape of the sound emitting hole 11.

Preferably, a pressing portion 7 is formed at an end of the pushing member 5 away from the soundboard 3, and an end surface of the pressing portion 7 away from the soundboard 3 is configured to gradually move away from an arc-shaped convex surface of the soundboard 3 from an edge portion of the pressing portion 7 to a middle portion of the pressing portion 7. The pressing part 7 has a block structure; the shape of the arc-shaped convex surface can be more matched with fingers, so that the hand can be pressed more easily, and the hand can not be cut.

Preferably, the pushing member 5 is formed with a protrusion 8; the bulge part 8 is of an annular structure, the bulge part 8 and the pushing piece 5 are integrally formed, and the pressing part 7 and the pushing piece 5 are integrally formed; the boss 8 protrudes outwardly along the outside of the pusher 5; a concave part is formed between the pressing part 7 and the convex part 8; an abutting surface is formed at the joint of the concave part and the pressing part 7. The finger can be inserted into the concave part, and the stressed part of the finger can be contacted with the abutting surface, so that the pushing piece 5 can be conveniently pulled out to reset the soundboard 3.

The use principle is as follows:

the positions of the through holes 31 and the positions of the sound emitting holes 11 refer to fig. 2 and 3, and the sound emitting plate will block a part of the sound emitting holes 11 and also a part of the sound emitting holes 11 will not be blocked; the sounding holes 11 in the second dimension are a row of sounding holes 11, a plurality of blowing holes 21 are formed on the blowing nozzle 2, and the blowing holes 21 are opposite to the row of sounding holes 11; then each blowing hole 21 corresponds to a row of sound emitting holes 11; when the mouth-piece playing device is used, the soundboard 3 can block a part of the sounding holes 11, each mouthpiece 2 can only be opposite to one sounding hole 11, the pusher 5 can be pressed to drive the soundboard 3 to slide, the soundboard 3 can block the sounding holes 11 which are not blocked originally, the through holes 31 are opposite to the sounding holes 11 blocked before, and accordingly different sounding holes 11 can be opposite to the mouthpieces 2, different sounds can be played or absorbed, and accordingly mouth-piece playing is achieved.

Claims

1. The utility model provides a mounting structure of harmonica change sound board which characterized in that: the harmonica comprises a harmonica body (1), wherein a blowing nozzle (2) and a sound changing plate (3) are arranged on the harmonica body (1), and a mounting cavity for mounting the sound changing plate (3) is formed between the blowing nozzle (2) and the harmonica body (1); the outer wall of the sound changing plate (3) is at least partially contacted with the inner wall of the mounting cavity; a space for avoiding the movement of the sound changing plate (3) in the installation cavity is formed between the sound changing plate (3) and the installation cavity; wherein, a plurality of through holes (31) are formed on the sound changing plate (3); a plurality of sound producing holes (11) are formed on the harmonica body (1); the pronunciation holes (11) are distributed along a first dimension array, and two pronunciation holes are distributed along a second dimension array; the distance between two adjacent sound producing holes (11) along the first dimension is a; the through holes (31) are distributed in a staggered manner along the second dimension; the through holes (31) are distributed in a plurality along the first dimension array, and the distance between two adjacent through holes (31) along the first dimension is 2a; the through hole (31) is overlapped with the sound emitting hole (11); wherein, one end of the sound changing plate (3) is provided with an inserting part (4), a pushing piece (5) is arranged at the inserting part (4), an inserting groove (6) is formed in the pushing piece (5), and the inserting part (4) is inserted into the inserting groove (6); the first connecting part is formed on the inserting part (4), the second connecting part is formed in the inserting groove (6), and the first connecting part is connected with the second connecting part so that the inserting part (4) and the pushing piece (5) form a whole body capable of synchronously moving.

2. The mounting structure of a harmonica soundboard according to claim 1, wherein: the first connecting part is a threaded bulge, and the second connecting part is a threaded groove; the thread protrusion is in threaded connection with the thread groove.

3. The mounting structure of a harmonica soundboard according to claim 1, wherein: the thickness of the insertion part (4) is consistent with that of the sound changing plate (3).

4. The mounting structure of a harmonica soundboard according to claim 1, wherein: the through hole (31) is matched with the shape of the sound emitting hole (11).

5. The mounting structure of a harmonica soundboard according to claim 1, wherein: the one end that pusher (5) kept away from and became soundboard (3) is formed with presses portion (7), the terminal surface that becomes soundboard (3) was kept away from to pressing portion (7) is constructed to keep away from the arc raised surface of soundboard (3) gradually from the limit portion of pressing portion (7) to the middle part of pressing portion (7).

6. The mounting structure of a harmonica soundboard according to claim 5, wherein: a protruding part (8) is formed on the pushing piece (5); the bulge (8) protrudes outwards along the outside of the pushing piece (5); a concave part is formed between the pressing part (7) and the convex part (8); an abutting surface is formed at the joint of the concave part and the pressing part (7).