Baby carriage with seat backrest control folding structure

• Main Authors: HUANG JINHAI, LEI DEXIANG
• Format: Patent
• Language: Chinese; English
• Published: 15.11.2022
• Subjects: HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; SLEDGES; TRANSPORTING

The utility model discloses a baby carriage with a seat backrest folding control structure, which is characterized in that an unlocking piece is arranged on a backrest, a linkage unlocking piece is arranged on a seat, in the folding process of the baby carriage, the unlocking piece generates driving force for the linkage unlocking piece, in the unfolding process, the unlocking piece does not generate driving force for the linkage unlocking piece, and at the moment, the linkage unlocking piece is driven to rotate by the linkage unlocking piece. The unlocking piece is linked to be at the initial position. And the joint unlocking piece on the frame is not subjected to any force and can freely return to the original position. When the frame needs to be unfolded at the moment, the handle group can be directly lifted, and the outer gear and the clamping seat gear are clamped into the corresponding gear clamping grooves under the action of respective springs after reaching a proper angle, so that the frame is unfold