Power transmission structure suitable for all-terrain karts

A novel power transmission structure suitable for all-terrain karts, comprising a first sprocket support frame (6), an upper part of the first sprocket support frame (6) is provided with an upper bearing chock of a support frame (4), and a lower part of the first sprocket support frame is provided with a lower bearing chock of a support frame (9), an engine end output shaft (5) of an engine (1) is connected to the upper bearing chock of the support frame (4) through a coupling and bearing, the engine end output shaft (5) is equipped with a first sprocket and chain mechanism (3), and the sprocket of the first sprocket and chain mechanism (3) is installed on a sprocket bearing chock (2), the sprocket bearing chock is independent of the upper and lower bearing chock, the lower part of the sprocket bearing chock (2) is provided with a triangular support base (7), which is fixed by bolts;

• one end of the lower bearing chock of the support frame (9) is connected with a transmission shaft (11) through a universal joint (10), a telescopic spline (12) is installed in the middle of the transmission shaft (11), and the telescopic spline (12) is connected to a spline shaft in the lower bearing chock of the support frame (9) through the universal joint (10) to realize connection and fixation;
• the other end of the transmission shaft (11) is connected with a rear drive axle sprocket bearing chock (13) through another universal joint, the rear drive axle sprocket bearing chock (13) is connected to a rear drive axle (8) through a second sprocket support frame (14), a second sprocket and chain mechanism (15) is connected to the rear drive axle sprocket bearing chock (13).