| 摘要 |
A self-locking and unlocking device for a foldable joint of a foldable vehicle. A ratchet (3) is disposed between a foldable shaft (1) and a foldable shaft sleeve (2). Locking teeth (5) fixed by using a fixing spring (4) passes through the shaft sleeve (2) and is inserted into the ratchet (3). A pin groove (7) is formed in a long rod portion of the locking teeth (5). A latch pin positioning sheet (6) controlled by an operation end (12) matches the pin groove (7). The foldable shaft (1) is disposed at a chassis (15). The foldable shaft sleeve (2) is connected to a rear support (14). The device can lock and unlock the foldable joint. |
