儿童汽车折叠车架，包括两个前立柱（10）和两个前轮（4）; 具有两个后轮（3）的两个后立柱（7），每个后轮安装在支撑系统（2）上; 两个推臂（14）; 和两个连杆（6），每个连杆相对于推臂（14）和后支柱（7）铰接，使得推臂（14）相对于前支柱 使后支柱7相对于前支柱10枢转。 每个后轮支撑系统（2）（3）相对于后支柱（7）可滑动地安装。 框架（1）包括两个牵引件（8），每个牵引件相对于连接杆（6）的端部（6A）和所述支撑系统（2）铰接，因此 框架的折叠导致支撑系统（2）的滑动。

folding frame for baby carriage comprising two pillars (10) with two front wheels (4); two back posts (7) with two rear wheels (3), each rear wheel being mounted on a support system (2); two pusher arms (14); and two connecting bars (6), each connecting rod being articulated relative to a pusher arm (14) and a rear upright (7), so that the sliding of the push arm (14) relative to the front upright ( 10), causes pivoting of the rear frame (7) with respect to the front upright (10). Each support system (2) of rear wheel (3) is slidably mounted relative to the rear upright (7). The frame (1) comprises two tension members (8), each tension member being hinged to an end portion (6A) of the connecting rod (6) and said support system (2), whereby that the folding of the chassis causes the sliding of the support system (2).