A first rotating shaft and a third rotating shaft are arranged at the joint of a front frame and a rear wheel frame respectively, and a second rotating shaft is arranged between the first rotating shaft and the third rotating shaft; the three rotating shafts meet a certain constraint relation; the vertical distance c'from the first rotating shaft to the second auxiliary line, the vertical distance d 'from the contact point of the front wheel module and the ground to the first auxiliary line, the vertical distance b' from the third rotating shaft to the second auxiliary line, and the vertical distance a 'from the contact point of the rear wheel module and the ground to the third auxiliary line meet the formula a' + b '= c' + d '.
本发明涉及一种可折叠代步车的快速折叠车架,其通过分别在与前车架、后车轮架相连处设置第一、三转轴,并在这两个转轴之间设置第二转轴;且三个转轴之间满足一定的约束关系:折叠状态时,第一转轴到第二辅助线的垂直距离c’、前车轮模块与地面的接触点到第一辅助线的垂直距离d’、第三转轴到第二辅助线的垂直距离b’、后车轮模块与地面的接触点到第三辅助线的垂直距离a’满足:a’+b’=c’+d’。
Quick folding frame of foldable scooter
一种可折叠代步车的快速折叠车架
19.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B62K Fahrräder , CYCLES |