公开(公告)号：US20060055278A1

公开(公告)日：2006-03-16

申请号：US11172724

申请日：2005-06-30

Applicant: Rong-Bin Zhou

Inventor： Rong-Bin Zhou

IPC: H02K37/00 ,  H02K37/14 ,  H02K1/12

CPC classification number: H02K37/14 ,  H02K1/145 ,  H02K1/185

Abstract: A step motor includes a spindle, a magnet unit mounted around the spindle, and a stator assembly sleeved over the magnet unit. The stator assembly includes at least one coil-and-yoke unit having a coil support, a coil wound around the coil support, an outer tube sleeved over the coil, and a pair of magnetic yokes mounted in the coil support. A fixing plate and a cover unit are mounted to opposite ends of the stator assembly. The coil support includes a surrounding wall, and a positioning tab protruding from the surrounding wall. Notches are formed in the outer tube, and the positioning tab engages one of the notches. Each of the magnetic yokes includes an orientation fixing member that engages one of the notches, and a plurality of excitation fingers inserted into the coil support and circumferentially uniformly distributed.

Abstract translation: 步进电机包括主轴，安装在主轴周围的磁体单元和套在磁体单元上的定子组件。 定子组件包括至少一个具有线圈支架，缠绕在线圈支架上的线圈，套在线圈上的外管和安装在线圈支架中的一对磁轭的线圈和轭单元。 固定板和盖单元安装在定子组件的相对端。 线圈支架包括一个周围的墙壁和一个从周围壁伸出的定位翼片。 凹口形成在外管中，并且定位凸片接合其中一个凹口。 每个磁轭包括接合其中一个凹口的定向固定构件和插入到线圈支架中的多个激励手指并沿周向均匀分布。