Shock-absorbing wheelchair
A technology for wheelchairs and shock absorbers, which can be used in patient chairs or special transportation tools, vehicle rescue, medical transportation, etc., and can solve problems such as wheelchairs being unable to cross obstacles.
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Embodiment 1
[0023] refer to Figure 1 to Figure 3 ,as well as Figure 5 , which is Embodiment 1 of the present invention, specifically:
[0024] A shock-absorbing wheelchair comprises a seat 8, two front wheels 5 arranged parallel to each other under the front part of the seat 8, and two rear wheels 7 arranged parallel to each other under the rear part of the seat 8. The wheel 7 and the front wheel 5 are arranged at intervals front and back, and also include a first electric push rod assembly 1, a second electric push rod assembly 2, and two middle wheels 6 arranged parallel to each other below the seat 8, and the middle wheels 6 are arranged Between the rear wheel 7 and the front wheel 5, and the diameter of the middle wheel 6 is smaller than the diameter of the rear wheel 7, the first electric push rod assembly 1 includes a first electric push rod and is fixed to the first electric push rod The first shock absorber at the rear end, the second electric push rod assembly 2 includes a se...
Embodiment 2
[0034] refer to Figure 4 , which is the second embodiment of the present invention, specifically:
[0035] The difference from the above embodiment is that it also includes a third connecting rod 3, one end of the third connecting rod 3 is hinged to the seat 8, the other end is connected to the middle wheel 6, and the other end of the first electric push rod is hinged to the third connecting rod 3. The middle part is relatively connected with the middle wheel.
[0036] By adjusting the length of the first electric push rod assembly 1, the angle of the hinged seat 8 of the third connecting rod 3 changes accordingly, and the position of the middle wheel 6 changes accordingly, which can realize the functions of the above-mentioned embodiments, and is feasible in the present invention One of the examples.
[0037] Further, it also includes a horizontal shaft arranged between the two rear wheels 7, the two ends of the horizontal shaft are respectively connected to the centers of...
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