| 摘要 |
A safety buckling cover includes an outer frame installed at an upper side of the cover; a frame top of the outer frame being installed with a movable unit; the movable unit being approximately vertical to the frame top and being formed with a push portion at one side thereof; each of two lateral sides of the movable unit being installed with a buckle; the two buckles tightly clamping the movable unit from the two lateral sides thereof; a buckle including two hook blocks; each of the hook blocks having a respective protruding edge resisting against the movable unit for safely clamping the movable unit to prevent the movable unit from releasing out; the front inner lateral side of each hook block having an inclined surface for guiding the movable unit to enter into a space between the two hook blocks.
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