Socket for containing multi-phase plugs

The invention discloses a socket (12) for containing multi-phase plugs (18). The socket (12) comprises at least two contact members (26) which establish electric connection with blades (32) of the plugs (18), a housing (24) supporting the contact member (26), at least two insulation members (30) which are alternatiely arranged in the housing (24) along with the contact members (26), and a spiral member (52) which passes through the opening in the contact member (26) and extends throug passing through the opening in the insulation member (30) and utilizes the contact member (26) of the spiral member to tightly clamp with the contact blade (32); at least one contact member among the contact members (26) has two contact shets; the contact sheets are arranged between two insulation members among the insulation members and can contain the contact blades of the plugs (18) between the contact sheets. 用于接纳多相的插头（18）的插座（12）包括：至少两个用于分别与插头（18）的接触刀片（32）建立电连接的接触元件（26）；支承接触元件（26）的壳体（24）；至少两个与接触元件（26）交替地布置在壳体（24）中的绝缘元件（30）；以