Electric wheelchairs
A technology for electric wheelchairs and frames, which can be used in vehicle ambulance, patient chairs or special transportation tools, medical transportation, etc. It can solve the problems of limited wheelchair use range, user activity space, non-adjustable wheel base, easy forward tilt and so on. Rollover and other problems, to achieve the effect of simple structure, flexible steering, large driving force
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[0017] Such as Figure 1-Figure 5 A kind of electric wheelchair shown, comprises vehicle frame 1, and the seat 2 that is arranged on vehicle frame 1, front wheel 3, rear wheel 4, steering control mechanism, driving device, speed regulation control mechanism and braking mechanism, so The front end of the vehicle frame 1 is connected with two front wheels 31, 32 with adjustable wheelbase, and its rear end is connected with a rear wheel 4, and the rear wheel 4 is driven by a driving device to become a driving wheel, thereby driving the two front wheels 31, 32 32 rotation, the rear wheel 4 is connected to the steering shaft 58 of the steering control mechanism through the rear fork assembly 41, and rotates synchronously with the steering shaft 58 to become a steering wheel, and the seat 2 is installed on the vehicle frame 1 through the lifting mechanism 8 superior.
[0018] The vehicle frame 1 is composed of a crossbeam 11, two longitudinal rods 12, 13 and a wheel base adjusting ...
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