Brake gear box for baby carriage

The utility model discloses a brake gear box for a baby carriage, relates to the technical field of brake devices, and aims to solve the technical problems that children are not fast enough in response, the phenomenon of bumping the baby carriage due to the fact that braking is not timely when the children play the baby carriage is more likely to occur, articles of other people are damaged or the children are damaged by themselves. According to the technical scheme, the gear comprises a gear shell, a gear assembly is arranged in the gear shell, and the gear is characterized in that a limiting opening is formed in one side of the gear shell, the gear assembly comprises a driving shaft extending out of the limiting opening, one end of the driving shaft is sleeved with a limiting gear, and a limiting hole is formed in the end face of the end, away from the gear shell, of the limiting gear; the limiting holes are arranged around the center of the limiting gear. The utility model aims to provide the brake gear box