Can prevent audio frequency connecting line of end of a thread end rupture

The utility model discloses a can prevent audio frequency connecting line of end of a thread end rupture, including the data connection head, the right side fixedly connected with plug of data connection head, the right side fixedly connected with audio frequency connecting line of plug, audio frequency connecting line's fixed surface has cup jointed joint elastic protective sleeve. This can prevent audio frequency connecting line of end of a thread end rupture, through the setting that connects elastic protective sleeve, and activity elastic protective sleeve, the fixed block, the supportingshoe, spiral shell rasp bar, the plastics protection pad, the resistance piece, soft elastic rod, reset spring, the reinforcing sleeve ring, sliding sleeve, the screens sleeve pipe, the inserted bar,the cooperation of compression spring and arm -tie is used, thereby the displacement through activity elastic protective sleeve has been reached, and utilize soft elastic rod and reset spring to consume and offset the rupture