Vehicle loaded soft expansion square cabin

The invention relates to a vehicular soft expanding shelter, which comprises a shelter body fixed on a special automobile chassis; the single side or the left side and right side of the shelter body are provided with an expanding shelter respectively. The soft expanding shelter is characterized in that the expanding shelter forms the soft expanding type shelter by an expanding power device, side expanding soft paulin, a forming and supporting frame inside paulin and a stay bar; the left side plate or the right side plate of the shelter body, a supporting frame and the stay bar are connected with the expanding power device; the supporting frame is connected with the stay bar through a connecting rod mechanism; the soft paulin is connected with the forming and supporting frame inside the paulin; and the floor of the expanding shelter consists of the left side plate or the right side plate of the expanded shelter body. The soft expanding shelter has the advantages that: the soft expanding mode of the soft paulin is adopted, and the manufacturing cost is reduced. After the shelter is expanded, the ratio of the internal actual effective use area to the internal area of the prior shelter is 2:1, and near one time of expanding use area is provided. The soft expanding shelter has the advantages of simple structure assembly, convenient use, and better integration reliability, maintenance and economy.