Shell and shell manufacturing method

The invention discloses a shell, and the shell comprises a metal frame body, wherein the metal frame body is provided with a surrounding hole; an insulator which is formed on the inner side of the metal frame body; and a nut which is arranged in the surrounding hole and wrapped by the insulator. The nut comprises a nut body and an internal threaded hole formed in the nut body, and the space between the periphery of the nut body and the inner wall face of the surrounding hole is filled with an insulator, so that the nut can be isolated from the metal frame. The invention further provides a shell manufacturing method. 一种壳体，包括开设有环绕孔的金属框体、成型于所述金属框体内侧的绝缘体及置于所述环绕孔内并被所述绝缘体包裹的螺母，所述螺母包括螺母主体及开设于所述螺母主体内的内螺纹孔，所述螺母主体的外周与所述环绕孔的内壁面之间填充满绝缘体以使所述螺母与所述金属框体隔离。本申请还提供一种壳体制造方法。