| 摘要 |
A locking device includes a locking seat with a mounting hole for receiving a locking pin; a locking pin, which has a handle, movably installed in the locking seat through said mounting hole; a spacing cover plate mounted on the locking seat, wherein an aperture for fixing a biasing spring, at least a locking room provided between the plate and the locking seat; a biasing spring located in the cover plate. The locking device provides a first locking position for locking the handle by the aperture in the locking room. The locking device has a simple structure and obtains high security by the biasing spring. |
