Cordless electrical connectors

A cordless electrical connection apparatus comprises first and second cordless connectors which are removably connected together in the connection direction, wherein one cordless connector includes afixed contact and the other cordless connector includes a spring contact arranged to make a sliding contact with the fixed contact when the first and second cordless connectors are connected together,wherein the fixed contact has an angled contact surface that is angled towards the spring contact, relative to the direction of connection. 种无塞绳电连接设备，包括在连接方向上能够移除地连接在起的第无塞绳连接器和第二无塞绳连接器，第无塞绳连接器和第二无塞绳连接器中的个无塞绳连接器包括固定接触件，第无塞绳连接器和第二无塞绳连接器中的另个无塞绳连接器包括弹簧接触件，所述弹簧接触件设置成当第无塞绳连接器和第二无塞绳连接器连接在起时与固定接触件滑动接触，其中固定接触件具有相对于连接方向朝向弹簧接触件倾斜的倾斜的接触表面。