Patent ID: 11883339
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 1:
2. A wheelchair structure, comprising a seat body, a rear wheel bracket, a push rod device, and two relatively-arranged front wheel assemblies, wherein each of the two relatively-arranged front wheel assemblies includes a support member and a first wheel body mounted at a bottom end of the support member, the seat body and the rear wheel bracket are rotatably connected between the support members of the two front wheel assemblies, the push rod device includes a push rod and a driving mechanism for driving the push rod to make a telescopic movement, a first end of the push rod is rotatably connected to a bottom of the seat body, a second end of the push rod is rotatably connected with the rear wheel bracket, the push rod is driven to make the telescopic movement to drive the seat body to rotate between the support members of the two front wheel assemblies so as to prop up or lower the seat body, a control switch is provided in an upper part of the support member, and the control switch is electrically connected with the driving mechanism, wherein the seat body includes a sitting portion, a limiting groove is provided at a bottom of the sitting portion, the rear wheel bracket includes a rear wheel assembly and a first connecting member, a bottom end of the first connecting member is fixedly connected with the rear wheel assembly, a top end of the first connecting member is connected between the two front wheel assemblies, and when the wheelchair structure is in an unfolded state, the top end of the first connecting member is located in the limiting groove.