Connecting element and connecting device

The invention relates to a connecting element (1) for mechanically connecting at least two components (2, 3), comprising a closing head (4) for resting on a first component (2) and a closing foot (5) for resting on a second component (3) and pressing the second component against the first component (2) in a twisted final installation position, and a shaft section (6), the shaft section extends between a closing head (4) and a closing foot (5) axially spaced therefrom in the shaft longitudinal direction (L), the closing head (4) having a sealing surface (7) extending in the shaft longitudinal direction (L) of the shaft section (6) for sealing against a corresponding sealing surface (18) of a recess (19) of the first component (2). The invention also relates to a connecting device (28) comprising a first component (2) and at least one second component (3) and such a connecting element (1), preferably made of a material component. 本发明涉及用于机械连接至少两个构件(2、3)的连接元件(1)，该连接元件具有用于贴靠到第一构件(2)上的封闭头(4)和用于贴靠在第二构件(3)上的且在扭转的最终安装