主权项 |
1. A bicycle power generation device comprising:
a seat tube unit (10) having a seat tube (20) which has a support portion (21) on a top thereof, two first threaded holes (22) defined through the support portion (21), two bolts (23) extending through the two first threaded holes (22); a press plate (30) having two first grooves (31) and two second threaded holes (32), the second threaded holes (32) located corresponding to the first threaded holes (22); a top plate (40) having two second grooves (41) which are located corresponding to the first grooves (31), the top plate (40) having a pressing face (42) defined in an underside thereof, a recess (43) defined in the pressing face (42); a bottom plate (50) having a contact face (51) and a protrusion (52), the contact face (51) located corresponding to the pressing face (42), the protrusion (52) located corresponding to the recess (43), and a power generation unit (70) connected to the seat tube unit (10) and having at least one power generation plate (71) and an output member (72), the at least one power generation plate (71) located on the contact face (51) of the bottom plate (50) and electrically connected to the output member (72). |