The invention relates to the technical field of power-assisted small trailers, and discloses a stair-climbing small trailer for old people, which comprises a frame, a storage plate and a tow bar, the storage plate and the tow bar are clamped in the frame, the bottom of the tow bar is fixedly connected with a chain, and the chain penetrates through a fixed pulley to form a pulley block with a movable pulley. The other end of the chain is fixedly connected to the vehicle frame, the fixed pulley is fixedly connected to the interior of the vehicle frame, the movable pulley is coaxially connected with the two chains in a clamped mode, and one end of one chain is fixedly connected with the storage plate and then stretches across the movable pulley to be fixedly connected with the vehicle frame. Springs are fixedly connected to the left side and the right side of the fixed connecting position of the storage plate and the chain correspondingly, and the other ends of the springs are fixedly connected to the interior of the frame. The small trailer capable of climbing stairs for the old people has the advantages of being convenient and labor-saving and capable of assisting the old people to climb stairs, and the problems that an existing small assisting trailer is inconvenient to climb and has certain potential safety hazards are solved.
本发明涉及助力小拖车技术领域,且公开了一种老年人用可爬楼小拖车,包括车架、置物板和拖杆,所述置物板与拖杆卡接于车架内部,所述拖杆的底部固定连接有链条,所述链条穿过定滑轮与动滑轮组成滑轮组,所述链条的另一端固定连接于车架处,所述定滑轮固定连接在车架内部,所述动滑轮同轴卡接有两组所述链条,其中一组所述链条的一端与置物板固定连接后横跨动滑轮与车架固定连接,所述置物板与链条的固定连接处的左右两侧分别固定连接有弹簧,所述弹簧的另一端固定连接于车架内部。该老年人用可爬楼小拖车具备方便省力,且可辅助老年人爬楼的优点,解决了现有助力小拖车攀登不便且存在一定的安全隐患的问题。
Stair-climbing small trailer for old people
一种老年人用可爬楼小拖车
2021-10-22
Patent
Electronic Resource
Chinese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
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