The framework comprises a foldable bottom supporting frame, the bottom supporting frame comprises front legs and rear legs rotatably connected with the front legs around a first axis, front wheels are arranged at the lower ends of the front legs, and rear wheels are arranged at the lower ends of the rear legs; a push rod assembly is rotatably connected to the bottom supporting frame around a second axis, a traction assembly capable of pulling the front legs to rotate and draw close to the rear legs when the push rod assembly rotates and draws close to the rear legs is arranged between the push rod assembly and the bottom supporting frame, and a seat frame is further rotatably connected to the bottom supporting frame around a third axis. A linkage assembly is further arranged between the seat frame and the bottom supporting frame, and the linkage assembly can slide downwards relative to the front legs to drive the seat frame to be close to the bottom supporting frame when the front legs rotate to be close to the rear legs. The folding chair is simple in structure and flexible to fold.
本发明公开了一种儿童推车骨架,包括可折叠的底部支撑架,所述的底部支撑架包括前腿和绕第一轴线与前腿可转动连接的后腿,所述的前腿下端设有前轮,所述的后腿下端设有后轮,所述的底部支撑架上绕第二轴线可转动连接有推杆组件,所述的推杆组件与底部支撑架之间设有在推杆组件向后腿转动靠拢时能牵引前腿向后腿转动靠拢的牵引组件,所述的底部支撑架上还绕第三轴线可转动连接有座位架,所述的座位架与底部支撑架之间还设有在前腿相对后腿转动靠拢时能相对前腿向下滑动而带动座位架向相对底部支撑架靠拢的联动组件。本发明结构简单,收合灵活。
Stroller framework
一种儿童推车骨架
2025-05-16
Patent
Electronic Resource
Chinese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
STROLLER COMFORT DEVICE, STROLLER UNDERFRAME AND STROLLER
European Patent Office | 2019
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