The cart structure comprises a first cargo carrying plate and trundles, the trundles are arranged at the four inner corners of the lower portion of the first cargo carrying plate, each trundle comprises a main support, a mounting shaft, a brake block and a rolling wheel, and a brake driving block and a reset driving block are arranged on each main support; a clamping tooth part is arranged at one end of the brake block, a brake part is arranged at the other opposite end of the brake block, the back face of the brake part abuts against the lower portion of the brake driving block, symmetrically-arranged idler wheels are arranged on the two sides of the main support, gear ring structures are arranged on the inner side walls of the idler wheels, and symmetrically-arranged arc-shaped tooth plates are arranged on the two sides of the brake part. The arc-shaped tooth plate is provided with a tooth groove used for being clamped with the gear ring structure, the gear ring structure comprises a first gear ring and a second gear ring which are sequentially arranged from the inner side wall of the roller, and the first gear ring and the second gear ring are coaxially arranged. Compared with the prior art, the locking effect of the cart is good, the cart is of a double-layer structure, and more goods can be borne conveniently.

    本发明公开了一种具有多重制动双轮脚轮的推车结构,包括:第一载货板和脚轮,第一载货板下方的四个内角处设置有脚轮,脚轮包括主支架、安装轴、刹车块和滚轮,主支架上设置有刹车驱动块和复位驱动块,刹车块一端设置有卡齿部、相对的另一端设置有刹车部,刹车部背面抵在刹车驱动块下方,主支架两侧设置有对称布置的滚轮,滚轮内侧壁设置有齿圈结构,刹车部两侧设置有对称布置的弧形齿牙板,弧形齿牙板上设置有用于与齿圈结构卡合的齿槽,齿圈结构包括自滚轮内侧壁依次布置的第一齿圈和第二齿圈,第一齿圈和第二齿圈同轴布置。本发明相较于现有技术,推车的锁止效果好,且推车采用双层结构,可以便于承载更多货物。


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    Title :

    Cart structure with multiple-brake double-wheel trundles


    Additional title:

    一种具有多重制动双轮脚轮的推车结构


    Contributors:
    GU XINGFENG (author) / GE YINGUI (author)

    Publication date :

    2023-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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