Key housing

Housing key (1), especially a motor vehicle, comprising: a key, especially safety, (3) comprising, fixed to each other, one key head (5) forming clamping portion and an insert (7) intended to be inserted into a lock, especially safety of a vehicle should use and an insert pocket (33) longitudinally for receiving the insert (7) in case of non-use of the key ( 3), may be the key (3) separate from the housing (1) when used, characterized in that the key head (5) is fixed in the insert (7) by a hinge (9, 10 ).