我国的胡琴是具有独特音色和演奏方法的乐器。就其结构特点而言,琴杆穿过琴筒,弓毛夹于弦间,典型例子是二胡。这种结构形式暂且称它为琴杆琴筒内连接结构。 本文介绍的胡琴新结构,是笔者经数年探研而创造的,称之琴杆琴筒外连接结构(代号HH)。由于这种结构可使胡琴形成多种品种和性能,因此称琴杆琴筒外连接结构系列。它可以形成二根弦、三根弦和四根弦胡琴, Huqin in our country is a musical instrument with unique sound and playing method. In terms of its structural features, the piano rod through the piano, bow hair clips between strings, the typical example is the erhu. This form of construction for the time being called the piano rod barrel connection structure. The new structure of the huqin introduced in this paper is created by the author after several years of exploration and research. It is called the piano pole outer cylinder connection structure (code HH). Because of this structure allows the formation of a variety of varieties and performance Huqin, so that piano piano outside the connection structure series. It can form two strings, three strings and four strings of harp,