Androgynous coupling device for connecting modules, and corresponding modules

1. An androgynous coupling device ( 10 ) for connecting modules, in particular for constructing a spacecraft of modular construction, wherein the coupling device ( 10 ) is configured to be coupled to a further androgynous coupling device of identical construction for the purpose of connecting the modules and has a plurality of coupling elements ( 30 , 32 ) as well as a covering element ( 18 ), which covering element ( 18 ) provides an outer surface ( 28 ), and in which covering element ( 18 ) one or more apertures ( 58 ) are formed, wherein the covering element ( 18 ) covers the coupling elements ( 30 , 32 ) in a passive state of the coupling device ( 10 ), wherein a first of the coupling elements ( 30 ) is configured to be displaced outward through the covering element ( 18 ) for the purpose of active coupling to the further coupling device of identical construction, wherein the aperture ( 58 ) or one of the apertures ( 58 ) is configured to allow a corresponding first coupling element of the further androgynous coupling device of identical construction, which is displaced outward to enter a region ( 22 ) behind the covering element ( 18 ), wherein a second of the coupling elements ( 32 ) of the coupling device ( 10 ), which is permanently covered by the covering element ( 18 ), is arranged in this region ( 22 ) and arranged to form a force-fitting and/or interlocking connection with the first coupling element, which is moved into the region ( 22 ), of the further coupling device of identical construction.

2. The coupling device as claimed in claim 1 , wherein the first coupling element ( 30 ) and the second coupling element ( 32 ) can be displaced for the purpose of fixing the connection and also for the purpose of detaching the connection to the respectively other coupling element of a further androgynous coupling device of identical construction.

3. The coupling device as claimed in claim 1 , wherein the connection is made by a bayonet fitting-like plug-and-turn movement.

4. The coupling device as claimed in claim 1 , wherein the outer surface ( 28 ) of the covering element ( 18 ) is a substantially planar outer surface ( 28 ), the covering element being in the form of a cover plate ( 16 ).

5. The coupling device as claimed in claim 1 , wherein a plurality of pins ( 56 ) which can be partially extended out of the covering element ( 18 ) and which can enter recesses, which are formed in the covering element of the further coupling device, for the purpose of fixing the further coupling device to the coupling device ( 10 ) in a rotationally fixed manner.

6. The coupling device as claimed in claim 1 , wherein the first coupling element ( 30 ) has a plurality of rear-engagement elements ( 46 ) which point outward, and the second coupling element ( 32 ) has an annular base ( 48 ) having a plurality of rear-engagement elements ( 50 ) which point inward.

7. The coupling device as claimed in claim 1 , wherein

a base element ( 12 ), in particular a base plate ( 14 ),

a linear guide element ( 24 ), which is fastened to the base element ( 12 ), for guiding the displacement movement of the first coupling element ( 30 ), and

a drive ( 36 , 38 , 44 ) of the coupling device ( 10 ) comprising a drive motor ( 36 ).

8. The coupling device as claimed in claim 7 , wherein the drive ( 36 , 38 , 44 ) further has a slotted guide arrangement ( 38 , 45 ) by means of which a rotary movement of the drive motor ( 36 ) is converted into the movement sequence of the coupling elements ( 30 , 32 ) or at least of the first coupling element ( 30 ).

9. The coupling device as claimed in claim 8 , characterized in that the covering element ( 18 ) is fastened to the base element ( 12 ) by means of spacer elements ( 20 ).

10. A module, in particular a module for constructing a spacecraft of modular construction, comprising at least one coupling device ( 10 ) as claimed in claim 1 .