THE STRUCTURE OF MAGNETIC CIRCUIT FOR SPEAKER

摘要

PURPOSE: A coupling structure of a magnetic circuit for a speaker is provided to efficiently perform successive processing procedures by bonding a cover plate without mounting on a bottom plate. CONSTITUTION: A bottom plate(110) includes an internal space(111) of a constant size at a top part and an inner part which are formed into an opened channel of an 'U' shape. A magnet(120) is installed at an upper part of the bottom plate. A cover plate(130) is installed in the upper part of the magnet. One or more first protrusions(140) is projected to an upper direction on a bottom side of the internal space. The magnet is arranged in a predesigned location at the upper part of the bottom plate. One or more second protrusions(150) is projected to a down direction on a bottom side(131) of the cover plate. The second protrusion supports a top circumference of the magnet.