The invention relates to the technical field of universal wheels, in particular to a ball type cart universal wheel which comprises a roller and a support, the roller comprises a roller inner sleeve, a roller outer sleeve and a ball sleeve body, the ball sleeve body is mounted between the roller inner sleeve and the roller outer sleeve, and balls are mounted on the ball sleeve body; the support comprises a supporting ring, a fixing ring and a connecting piece, the fixing ring is installed in the middle of the roller inner sleeve, and the supporting ring is installed at the end of the roller inner sleeve; the connecting piece is connected with the supporting ring; the limiting piece is rotationally connected with the supporting ring. The problem that in the prior art, universal wheels of a cart are difficult to clean is solved. The ball type cart universal wheel is convenient to clean, the ball is adopted to replace a bearing, and due to the fact that the ball is installed on the ball sleeve body, on one hand, the ball can be fixed and can only rotate but not slide; on the other hand, the roller inner sleeve and the ball sleeve body can be conveniently fixed, impurities can be prevented from entering, and cleaning is better.
本发明涉及万向轮技术领域,特别是涉及一种滚珠式的推车万向轮,包括:滚轮包括滚轮内套、滚轮外套和滚珠套体,所述滚轮内套与所述滚轮外套之间安装有滚珠套体,所述滚珠套体上安装有滚珠;支架包括支撑环、固定环和连接件,所述固定环安装在所述滚轮内套的中部,所述支撑环安装在所述滚轮内套的端部;所述连接件与所述支撑环连接;限位件与所述支撑环转动连接。本发明解决现有技术中推车万向轮难以清理的问题。上述滚珠式的推车万向轮便于清理,采用滚珠代替轴承,由于滚珠是安装在滚珠套体上,一方面可以固定滚珠,使其只能转动不能滑动;另一方面也便于将滚轮内套和滚珠套体固定,也能避免杂质进入,更好清理。
Ball type cart universal wheel
一种滚珠式的推车万向轮
2022-02-18
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
Stable shopping cart universal wheel convenient to install
European Patent Office | 2021
|