Patent ID: 8602810

Claim:
A closing device ( 1 ) for closing and opening a connector wall passage, the closing device ( 1 ) comprising: a closing element ( 24 ) and a mounting frame ( 6 ), wherein: the closing element ( 24 ) is attached to the mounting frame ( 6 ) by a translational movement, and the closing element ( 24 ) can only be removed after a turning motion and an opposite translational of the closing element 24 ; wherein: the closing element ( 24 ) is assembled by plugging together a closing plug carrier ( 25 ) and a closing plug ( 13 ), closing plug ( 13 ) comprising an elastic material; the mounting frame ( 6 ) comprises a protruding frame piece ( 10 ) having engagement means ( 12 ) on a circumferential outer surface of the protruding frame piece ( 10 ), and the closing plug ( 13 ) and the protruding frame piece ( 10 ) having corresponding square or rectangular cross-sections; the closing element ( 24 ) comprises at east one latching piece ( 27 ) which can be attached to the mounting frame ( 6 ); the at least one latching piece ( 27 ) is slid onto the circumferential outer surface of the protruding frame piece ( 10 ), during the attachment of the closing element ( 24 ); the engagement means ( 28 ), during the attachment of the closing element ( 24 ), is connected with a corresponding engagement means ( 12 ) of the protruding frame piece ( 10 ); and the position of the latching pieces ( 27 ) of the closing plug carrier ( 25 ) and the corresponding engagement means ( 12 ) of the protruding frame piece ( 10 ) are arranged diagonally and parallel to each other with separation, and opposite in each case at one corner of the square or rectangular cross section of the protruding frame piece ( 10 ), and whereby the turning motion of the closing element ( 24 ) releases the at least one latching pieces ( 27 ) from the corresponding engagement means.