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Changing key terminal position limiter for key button shape accordion

A limiting device, the technology of the accordion, applied in the direction of the accordion, wind instruments, instruments, etc., can solve the problems of shifting piece shifting, lax closing, insufficient opening of the sound-changing valve piece, etc.

Active Publication Date: 2006-08-23
江阴金杯安琪乐器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Before the present invention was made, the pitch change of the tonic tone changer of the traditional button-shaped accordion was usually positioned by a single-sided spring. Displacement, there are disadvantages such as insufficient opening or lax closing of the sound changing valve, resulting in channeling or insufficient volume in the performance, etc.

Method used

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  • Changing key terminal position limiter for key button shape accordion
  • Changing key terminal position limiter for key button shape accordion

Examples

Experimental program
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Embodiment Construction

[0010] see figure 1 , The button-shaped accordion conversion key terminal limiting device of the present invention is mainly composed of a bracket 1 and a limiting mechanism 2.

[0011] Described support 1 has two, each one of front and rear, and two support 1 front and rear devices are on the soundboard 3 of accordion.

[0012] Described position-limiting mechanism 2 has two sets, and every cover position-limiting mechanism 2 is made of sound-changing movable sheet 21, upper pull-out bar 22, roller shaft 23, lower pull-out bar 24, sound-changing valve sheet 25, limit frame 26, pendulum Rod 27, spring 28 and fork seat 29 and composition.

[0013] One end of the movable sheet 21 for changing the sound is connected with the sound changing key of the accordion, and the other end is hinged with one end of the upper pulling rod 22 , and the other end of the upper pulling rod 22 is riveted with the roller 23 . The two ends of the roller 23 are installed on the front and rear two s...

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PUM

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Abstract

This invention relates to a caging device for the transforming key terminals of key-type accordions including a frame and a caging unit, in which, the frame is set on the sound board, the caging unit includes two sets and each one includes an inflexion moving plate, an upper shift lever, a roller, a lower shift lever, an inflexion valve plate, a caging frame, a swing rod, a spring and a swing rod base, in which, one end of the inflexion moving plate is connected with the inflexion key, the other end is hinged with the end of the valve plate, one end of the caging frame is fixed to the roller, the other end is hinged to the swing rod hinged with the base, which is installed on the sound board, the spring is jacketed on the swing rod and the best position can be arrived when an inflexion key is pressed.

Description

Technical field: [0001] The invention relates to a button-shaped accordion, in particular to a button-shaped accordion transforming key terminal limiter, which is mainly used for the tone sequence transformation of the button-shaped accordion tonic changer. It belongs to the technical field of musical instruments. Background technique: [0002] Before the present invention was made, the pitch change of the tonic tone changer of the traditional button-shaped accordion was usually positioned by a single-sided spring. Displacement, there are disadvantages such as insufficient opening or lax closing of the sound changing valve, resulting in channeling or insufficient volume in the performance. Invention content: [0003] The object of the present invention is to overcome the above-mentioned disadvantages, and provide a button-shaped accordion changing key terminal limiting device which can avoid problems such as channeling and automatic sound changing when the player is using...

Claims

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Application Information

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IPC IPC(8): G10D11/02G10D11/00
Inventor 时建明缪廷裕缪庆平
Owner 江阴金杯安琪乐器有限公司
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