Stair-climbing wheelchair
A technology for stair-climbing wheelchairs and seats, which can be used in patient chairs or special transportation tools, vehicle ambulance, medical transportation, etc. It can solve problems such as unacceptable, expensive, and complex structures for ordinary wheelchair users, and achieve The structure is simple and reasonable, the cost is low, and the effect of increasing safety
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[0015] The principles and features of the present invention will be described in detail below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, not to limit the scope of the present invention.
[0016] Such as figure 1 As shown, the stair-climbing wheelchair according to the embodiment of the present invention includes a seat 1, a power wheel 2 and a support frame. The seat 1 is located above the support frame and is supported by the support frame, and the power wheels 2 are respectively located at The rear part on both sides of the seat 1 further includes a rocker 3, a sprocket transmission device 4, a crawler wheel 5, a worm wheel 6 and a worm 7 meshing with the worm wheel 6 on both sides of the seat 1 respectively. The base ends of the rocker 3 are all connected with the sprocket transmission device 4 installed on the support frame. The worm wheel 6 is connected to the power wheel 2 through a worm 7 to adjust the s...
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