High efficiency transmission structure

The utility model relates to a high efficiency transmission structure, including a power spare, a driving medium and a driving fit piece, this power spare has a power output shaft, is used for outputpower, and this driving medium is inside to have a link, and this link is connected with this power output shaft, is used for transmission power, and this driving fit piece is then planted between this link and this power output shaft, makes this link and this power output shaft zonulae occludens, and this power output shaft plants in this link, is provided with one on this power output shaft andpresss from both sides the groove, and these link both ends are provided with the groove, and this driving fit piece is planted at this clamp inslot to in making this groove of this link of both endsembeddings of this driving fit piece, maintain this link and this power output shaft's zonulae occludens, through above -mentioned structure, let this transmission structure can save installation time, reduce wear and supress n