The wheel comprises an EVA tire and a PU tire, the EVA tire is of an annular structure and is provided with a plurality of through holes, the through holes are formed in the outer side of the EVA tire at intervals in the circumferential direction of the EVA tire, the EVA tire is further provided with a plurality of first positioning holes, and the first positioning holes are formed in the EVA tire at intervals in the circumferential direction of the EVA tire; the PU tire is of an annular structure and wraps the EVA tire, the PU tire is provided with a plurality of positioning protrusions, the positioning protrusions are embedded into the through holes in a one-to-one mode, the PU tire is further provided with a plurality of second positioning holes, and the distribution positions of the second positioning holes correspond to the distribution positions of the first positioning holes in a one-to-one mode; and the first positioning hole and the second positioning hole are formed by a positioning piece of the PU tire foaming mold in a penetrating manner, so that the EVA tire is positioned in the manufacturing process. The wheel is light in weight and low in production cost, and meanwhile, the mute, high-elasticity and high-wear-resistance performance of a PU tire can be reserved.

    本发明提供了车轮及具有该车轮的婴儿载具,其中,车轮包括EVA胎以及PU胎,EVA胎呈环形结构,并具有多个通孔,通孔沿EVA胎的圆周方向呈间隔地布置于EVA胎的外侧上,EVA胎还具有多个第一定位孔,第一定位孔沿EVA胎的圆周方向呈间隔地布置于EVA胎上;PU胎呈环形结构,并包覆EVA胎,PU胎具有多个定位凸起,定位凸起分别一一嵌入通孔中,PU胎还具有多个第二定位孔,第二定位孔的分布位置分别与第一定位孔的分布位置一一对应;其中,第一定位孔与第二定位孔由PU胎发泡模具的定位件穿过所形成,以在制程中定位EVA胎。本发明的车轮重量轻,且生产成本低,同时,还可保留PU胎的静音、高弹性及高耐磨的性能。


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    Title :

    Wheel and baby carrier with same


    Additional title:

    车轮及具有该车轮的婴儿载具


    Contributors:
    GUO XUEMIN (author) / HE SHIYONG (author)

    Publication date :

    2023-03-24


    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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