Receiving and securing device

A receiving and securing device for keystone modules, comprising at least two components which are releasably connected to each other and which delimit a securing gap therebetween, of which the free gap space can be modified by an advancing movement of the second component towards the first component, and at least the first component, around which the second component engages, delimits a free opening space with a securing option for the latching engagement of a keystone module that can be inserted into the opening space;

• wherein
• the first component comprises a pivotable cover part, which, in the closed state, covers the opening space on the side of one subcomponent, and in the opened state, releases said opening space;
• and wherein
• the cover part comprises a security opening, which, in the closed state, can be aligned with a further security opening on the side of the first component to attach a security device, such as a seal.