The author analyzes the structure characteristics of tube splice of a vacuum cleaner, specializes several methods to solve arc core pulling and lays stress on a new structure design for a great angle and a long distance side arc core pulling driven.

• 摘要分析了吸尘器弯管连接头的结构特点，着重阐述了应用于本模具中的一种新颖的专用来解决大角度，长距离抽芯的连杆机构的工作原理。