The invention discloses a folding linkage mechanism which comprises a first joint, a second joint, an upper pipe, a front pipe and a rear pipe. The first joint is hinged to the second joint; the near end of the upper tube is fixedly connected to the first joint; the near end of the rear tube is fixedly connected to the second joint; the near end of the front tube is hinged to the first joint; the fixing piece is arranged on the pipe body of the front pipe; the fixing piece is provided with a rotating shaft perpendicular to the rotating plane of the front pipe, and the rotating shaft is movably connected to the sliding base and can rotate around the axial direction of the rotating shaft. The sliding seat is provided with at least one sliding rod, and the sliding rod is inserted into the second joint and can slide in the axial direction of the sliding rod. The invention further discloses a folding frame and a cart. The method has the beneficial effect that the stress load can be optimized.
本发明公开了一种折叠联动机构,包括第一关节、第二关节、上管、前管、后管;所述第一关节和第二关节相铰接;所述上管的近端固定连接在第一关节上;所述后管的近端固定连接在第二关节上;所述前管的近端铰接在第一关节上;还包括滑动座、设置在所述前管管身上的固定件;所述固定件设有垂直于前管转动平面的转轴,所述转轴活动连接在滑动座上并且可绕自身轴向转动;所述滑动座设有至少一个滑动杆,所述滑动杆插设进第二关节内并且可沿自身轴向滑动。本发明还公开了折叠架以及推车。本发明的有益效果在于,能够优化受力负荷。
Folding linkage mechanism, folding frame and cart
一种折叠联动机构、折叠架以及推车
2022-03-11
Patent
Electronic Resource
Chinese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |