24-hole 48-pitch ship-shaped chromatic harmonica

Abstract

The invention discloses a 24-hole 48-pitch ship-shaped chromatic harmonica which comprises an upper pitch hole plate, a lower pitch hole plate and an upper cover plate, wherein a fret, the upper cover plate and a lower cover plate are in ship-shaped structures; a mouthpiece plate is arranged above the fret; a pitch changing plate is arranged between the fret and the mouthpiece plate; a press key is arranged at one end of the pitch changing plate; square holes distributed in an up and down interval manner are formed in the pitch changing plate, and are half of fret holes; square holes in the mouthpiece plate are half of the fret holes; the upper pitch hole plate and the lower pitch hole are embedded into positioning grooves formed in the front surface and the back surface of the fret respectively; upper pitch reeds are arranged on the upper pitch hole plate; and lower pitch reeds are arranged on the lower pitch hole plate. A purpose of rising or flatting a musical scale is achieved by increasing or reducing thicknesses of the surfaces of the heads, the roots and the middles of the upper pitch reeds and the lower pitch reeds. According to the chromatic harmonica, a piece of music with high pitch, middle pitch, low pitch and a broad register can be played with the same harmonica; various great world musical compositions can be played freely in a tone modified manner; and the problems that the original 24-hole tremolo harmonica is narrow in register, and a piece of highly difficult music cannot be played are solved.

Description

technical field [0001] The invention relates to a harmonica for wind instruments, in particular to a boat-shaped chromatic harmonica with 24 holes and 48 notes. technical background [0002] At present, most of the ordinary harmonicas on the market are polyphonic harmonicas. Due to the traditional craftsmanship, the structure is mostly rectangular. The mouthpiece of the harmonica is not smooth and the range is not wide. It is difficult to play difficult music. On the harmonica, diatonic music cannot be played simultaneously, which brings inconvenience to the player. Contents of the invention [0003] The purpose of the present invention is to provide a 24-hole 48-tone boat-shaped chromatic harmonica with a smooth appearance, beautiful appearance, easy to change the tone arbitrarily, and play various music easily. It can overcome the above shortcomings of the existing products. The object of the present invention is achieved like this, 24 hole 48 tone boat-shape...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the ordinary harmonicas on the market are polyphonic harmonicas. Due to the traditional craftsmanship, the structure is mostly rectangular. The mouthpiece of the harmonica is not smooth and the range is not wide. It is difficult to play difficult music. The diatonic music cannot be played on the harmonica at the same time, which brings inconvenience to the player

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