残疾人自行车用动力机构

Power mechanism for handicapped bicycle

Abstract

The utility model relates to a pedal, in particular to a power mechanism for a handicapped bicycle. The power mechanism for the handicapped bicycle comprises a middle axle, a crank chain wheel, a pedal body connected with one end of a crank and a middle axle tube fixedly connected with the end of the crank; the middle axle tube is in transmission connection with the pedal body, a balancing weight is connected with the other end of the crank, the weight of the balancing weight is larger than that of the pedal body, a chain wheel cover is arranged on the outer side of the crank chain wheel in a sleeving mode, a first magnet is arranged on the chain wheel cover and located on the side, close to a front bicycle wheel, above the crank chain wheel, a second magnet is arranged at the position, connected with the pedal body, of the crank, the first magnet and the second magnet are in magnetic attraction, the included angle between a connecting line between the first magnet and the axis of the center shaft and a horizontal line ranges from 45 degrees to 85 degrees. The pedal has the advantages that the treading assistance can be provided for a handicapped user, and convenience is brought pedal surrounding.
本实用新型涉及一种脚蹬,尤其是涉及一种残疾人自行车用动力机构。该残疾人自行车用动力机构,包括中轴、曲柄链轮、与一个曲柄端部相连的脚蹬本体和与曲柄端部固定连接的主轴管,主轴管与脚蹬本体转动连接,另一个曲柄的端部连接有配重块,配重块的重量大于脚蹬本体,所述的曲柄链轮外侧套设有链轮盖,链轮盖上设置有第一磁铁,第一磁铁位于曲柄链轮上方靠近前车轮的一侧,与脚蹬本体相连的曲柄上设置有与第一磁铁磁性相吸的第二磁铁,第一磁铁与中轴轴心之间的连线与水平线夹角为45°-85°。本实用新型具有能够给残疾人使用者提供踩踏助力、便于脚蹬环绕等有益效果。

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Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-104149917-ANovember 19, 2014杭州勇华车业有限公司残疾人自行车用脚蹬机构
    CN-104149917-BMay 18, 2016杭州勇华车业有限公司残疾人自行车用脚蹬机构