Portable collapsible structures whose wall panels are directly coupled in an articulated manner to bottom and ceiling panels are known. The inconvenient of these constructions is that they offer few variation possibilities and are insufficiently rigid. It is proposed to rotatively mount at least one tipping wall (5) on at least one of the horizontal frames (1, 2). At least one connecting rod (7) is rotatively secured to the tipping wall (5), at a distance from the axis of rotation (6), whereas its opposite end is secured to the adjacent frame (2, 1), also in a rotative manner. The axis of rotation (6) of the tipping wall (5) extends in a parallel direction to the axes of journals (8, 9) of the connecting rod (7). The invention is useful for portable structures, camping cars and caravans.
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