Patent ID: 8690168

Claim:
A reciprocal motor tricycle with a lockable frame comprising: a frame ( 1 ); two front wheels ( 2 ); a limiting plate ( 7 ); two balance plates ( 8 ); an upper rocker ( 5 ) and lower rocker ( 6 ) connected between the frame ( 1 ) and the front wheels ( 2 ); and a limiting block ( 9 ) connected onto the balance plate ( 8 ); a directing mechanism being disposed between the frame ( 1 ) and the front wheels ( 2 ); a damping mechanism being disposed between the balance plate ( 8 ) and the lower rocker ( 6 ); a plurality of limiting grooves ( 10 ) for working with the limiting block ( 9 ) being disposed at the left and right of the limiting plate ( 7 ); a fixing plate ( 11 ) being disposed at a lower portion of the frame ( 1 ); the balance plate ( 8 ) and the fixing plate ( 11 ) being movably connected; wherein: a locking mechanism is disposed between the frame ( 1 ) and the balance plate ( 8 ) and configured for preventing the frame ( 1 ) from swinging left and right at anytime; the limiting plate ( 7 ) is connected onto the locking mechanism; and wherein: the locking mechanism comprises a lock string ( 15 ), a limiting frame ( 16 ), a locking fixed plate ( 17 ), a locking moving rod ( 18 ), a locking bolt ( 19 ), a spring ( 20 ), a locking bolt cover ( 21 ), a lock cover ( 22 ), a U-shaped block ( 25 ) and a locking switch ( 14 ) that can be installed to a handle, the lock cover ( 22 ) being fixedly connected between the two balance plates ( 8 ), the locking fixed plate ( 17 ) being welded to the frame ( 1 ), the limiting frame ( 16 ) and locking bolt cover ( 21 ) being both connected to the locking fixed plate ( 17 ), the locking moving rod ( 18 ) being hinged with two inner walls of the limiting frame ( 16 ), the upper portion of the locking moving rod ( 18 ) being hinged with the U-shaped block ( 25 ), one end of the locking bolt ( 19 ) being hinged with the lower portion of the locking moving rod ( 18 ), while the other end of the locking bolt ( 19 ) being slidably inserted into the locking bolt cover ( 21 ), one end of the lock string ( 15 ) being connected with the U-shaped block ( 25 ), while the other end of the lock string ( 15 ) being connected with the locking switch ( 14 ), the spring ( 20 ) being covered on the locking bolt ( 19 ) and pushed between the locking bolt ( 19 ) and the locking bolt cover ( 21 ), the locking bolt ( 19 ), the locking bolt cover ( 21 ) and the lock cover ( 22 ) sharing a same axis, the limiting plate ( 7 ) being connected with the locking fixed plate ( 17 ).