| 摘要 |
<p>A bicycle folding frame comprises a main beam (4). The front end of the main beam is connected with a front wheel fork (2), and the rear end of the main beam is respectively connected with a middle shaft through a fixer (13) and connected with a rear wheel fork through a folder (6), wherein the folder comprises a main beam connector (61), a main beam connecting rod (62), a telescopic rod (63) and a rear wheel fork connecting barrel (64). One end of the main beam connector is fixed with the main beam, and the other end is connected with the rear wheel fork through the main beam connecting rod, the telescopic rod and the rear wheel fork connecting barrel. Said fixer comprises a locking rod (132), a locking handle (131), a left locking sleeve (137), a left locking sleeve shaft (138), a right locking sleeve (136) and a right locking sleeve shaft (134), wherein the left and the right locking sleeves are inserted into the main beam, connecting arms (14) are clamped between the locking sleeves and the locking sleeve shafts, and the other end of each connecting arm is fixed on a spindle (12). The folder and the fixer of present folding frame have the characteristics of simple structure, quick assembly and disassembly, safety and reliability and the like.</p> |
