Contact piece unit and relay

A contact piece unit is provided with a terminal, a contact piece, and a contact point. The contact piece has a plurality of plate springs. The plate springs are disposed by being stacked to each other, and are bonded to the terminal by riveting. The contact point is bonded to the plate springs by riveting. The contact piece is welded such that the contact piece is electrically connected to the contact point and/or the terminal. 接触片单元具备端子、接触片及触点。接触片具有多个板簧。多个板簧相互层积配置，并且通过铆接与端子接合。触点通过铆接与多个板簧接合。接触片以与触点及端子的至少方电导通的方式被焊接。