CN2290099Y - No-bass instrumental ensemble accordion - Google Patents

Abstract

The utility model relates to a no-bass instrumental ensemble accordion, relating to an accordion used for instrumental ensemble. The utility model is composed of an upper accordion box, a lower accordion box, a wind box and a keyboard. An upper cover of the upper accordion box is provided with a plurality of air ports. A sound groove box communicated with the air port is arranged below each air port. Each sound groove box is respectively provided with a sound reed with different vibration frequencies. A key lever is arranged in a key groove through a lever frame and a tension spring, and can rotate by serving the lever frame as the fulcrum; the lower end of each key lever is provided with an air port cover matched with the air port. When the key lever is pressed and the wind box is pulled, the air port cover is opened, and then the air flow shocks the sound reed to vibrate to sent out the sound with different frequencies. The utility model has the advantages of simple structure, and is especially suitable for multiple-voice part combined playing.

Description

No bass is instrumental ensembled accordion

The utility model relates to a kind of accordion that multi part is united performance that is exclusively used in.

Accordion is a kind of western musical instrument commonly used, and it utilizes the flexible gas shock tone reed vibration that forms of bellows and sounding.Accordion of the prior art is a kind of solo qin of performance separately that is suitable for, and is that the structure or the range aspect of qin all has its characteristics.From configuration aspects, except sound groove box, bass machine gear train also is housed, the structure more complicated in the qin case of solo qin.With regard to range, the solo qin is regardless of part, but fluctuating sound is arranged.Owing to the These characteristics of structure and range aspect, determined the function singleness of solo qin, it can only be used for solo, instrumental ensembles and can not be used for multi part.

The purpose of this utility model promptly is to design a kind of accordion that multi part is united performance that is exclusively used in.

To achieve these goals, the utility model utilizes upper and lower qin case, bellows and keyboard to constitute a kind of no bass and instrumental ensembles accordion.Do not have in the solo qin indispensable bass machine gear train in the qin case, just be provided with in 22 or 27 or 32 sound groove boxes, each sound groove box and be separately installed with the tone reed that vibration frequency has nothing in common with each other according to the requirement of part.Be provided with the key lever that equates with sound groove box number in the keyboard and control the switching of sound groove box gas port.The technical characterictic of the novel no bass of this reality being instrumental ensembled accordion below in conjunction with specific embodiment is described in further detail.

Accompanying drawing 1,2 is respectively the utility model does not have front elevation and the sectional view that bass is instrumental ensembled accordion.

Accompanying drawing 3,4,5 is respectively front elevation, side view and the vertical view of sound groove box.

1-5 with reference to the accompanying drawings, the utility model do not have bass instrumental ensemble accordion mainly by qin case, bellows down, go up the qin case and keyboard constitutes.Following qin case 1 is the rectangle wooden case, its top opening also links to each other with bellows, and its appearance bag is stained with cell, the casing front side have one shake hands 2, bellows 3 are the rectangle carton of upper and lower opening, can be stretched up and down by folded the forming also of bellows letterweight, it links to each other with upper and lower qin case respectively at two ends up and down.Last qin case 4 is this case of rectangle, and its lower opening also links to each other with bellows 3, and the appearance bag is stained with cell, and a braces 5 also is housed on the casing.Last qin box cover 6 middle parts have 22 or 27 or 32 and are communicated with the inside and outside gas port of qin case, and all gas port is divided into two rows arranged side by side, and the sound groove box 7 that is communicated with it is equipped with in the below of each gas port in the last qin case.Sound groove box 7 can be the rectangle tub, its central authorities have a dividing plate 8 and sound groove box are divided into two, its top has and is communicated with the pore 9 of going up qin box cover gas port, respectively has the twice slotted hole on its left and right sides face, and the about both sides of each slotted hole intersect respectively is equipped with metallic sound reed 10 and the soft curtain 11 of cortex.Keyboard is made of keyway and key lever, and keyway 12 is positioned at qin case 4 tops one side.Key lever 13 is a broken line shape aluminium bar, and the number of key lever equates that with gas port number on the last qin box cover 6 each key lever is installed in the keyway 12 by bridge 14 and extension spring 15 and can bridge 14 is that fulcrum rotates.The upper end of key lever has the key plate 16 of white or black, its lower end then have with last qin box cover 6 on the gas port gas port lid 17 of working in coordination.When pressing a certain key lever and spurring bellows, corresponding gas port lid is opened, and the tone reed on the corresponding sound groove of the gas shock box vibrates and sounding.

Of the present utility model simple in structure, be specially adapted to multi part and unite performance.

Claims (2)

1, a kind of multi part that is exclusively used in is united the no bass of performance and is instrumental ensembled accordion, it is characterized in that by down qin case, bellows, go up the qin case and keyboard constitutes, described qin case down is the rectangle wooden case, and its top opening also links to each other with bellows, its appearance bag is stained with cell, and the casing front side has a handle; Described bellows are the rectangle carton of upper and lower opening, form and can stretch up and down by the bellows letterweight is folded, and it links to each other with qin case up and down respectively at two ends up and down; The described qin case of going up is the rectangle wooden case, and its lower opening also links to each other with bellows, and appearance bread is stained with cell, and braces also is housed on the casing; Last qin box cover middle part has 22 or 27 or 32 and is communicated with the inside and outside gas port of qin case, all gas port is divided into two rows arranged side by side, the sound groove box that is communicated with it is equipped with in the below of each gas port in the last qin case, on each sound groove box the tone reed that vibration frequency has nothing in common with each other is housed respectively; Described keyboard is made of keyway and key lever, keyway is positioned at qin box top one side, key lever is a broken line shape aluminium bar, its number equates with gas port number on the last qin box cover, each key lever is installed in the keyway by bridge and extension spring and can bridge is that fulcrum rotates, the upper end of key lever has the key plate of white or black, and its lower end then has the gas port lid of working in coordination with last qin box cover gas port.

2, no bass according to claim 1 is instrumental ensembled accordion, it is characterized in that described sound groove box is the rectangle tub, its central authorities have a dividing plate and sound groove box are divided into two, its top has and is communicated with the pore of going up qin box cover gas port, respectively have the twice slotted hole on its left and right sides face, the about both sides of each slotted hole intersect respectively is equipped with metallic sound reed and the soft curtain of cortex.

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