The trundle comprises a foot connecting frame, a rotating shaft and a rolling wheel, an adjusting elastic piece and an adjusting knob are arranged at the end of the rotating shaft, a positioning protruding block is arranged on the adjusting elastic piece, a plurality of grooves are formed in the upper edge of a side plate of the adjusting knob, and a direction brake structure is arranged between clamping structures of the foot connecting frame. A lantern ring structure is arranged at one end of the direction brake structure, a bending block is arranged at the other end of the direction brake structure, a direction positioning groove is formed in the bottom of the rotating body, one side of the lantern ring structure extends inwards to form a positioning side edge, and the rotating shaft is further sleeved with a crank piece. According to the trundle, through the associated design of the rotating body, the direction braking structure, the spring piece, the adjusting elastic piece and the adjusting knob, the overall structure is simple and convenient to machine and install, switching of the universal rolling state, the directional rolling state and the directional braking state of the trundle can be conducted only by rotating the adjusting knob, operation is easy, convenience and smoothness are achieved, and the operation discomfort is reduced.
本发明公开了一种刹车自定位方向的脚轮,包括接脚架、转轴和滚轮,转轴的端部设置调节弹片和调节旋钮,调节弹片上设置定位凸块,沿着调节旋钮侧板的上边缘设置多个凹槽,接脚架的夹持结构之间设置有方向刹结构,方向刹结构的一端设置套环结构而其另一端设置折弯块,旋转体的底部设置方向定位槽,套环结构一侧还向内延伸有定位侧缘,转轴上还套设有发条件。本发明脚轮通过旋转体、方向刹结构、发条件、调节弹片以及调节旋钮关联设计,整体结构简单便于加工、安装,仅通过旋转调节旋钮,即可进行脚轮万向滚动状态、定向滚动状态和定向刹停状态的切换,操作简单,且较为方便顺手,降低操作不适感。
Trundle capable of automatically positioning direction during braking
一种刹车自定位方向的脚轮
2023-11-14
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
Cart trundle with steering, positioning and braking mechanism and preparation method of cart trundle
European Patent Office | 2021
|