| 摘要 |
A storage bin and a top lid are temporarily locked for sealing, the storage bin is provided on tops of two opposite sides thereof with several pivot seats, notches are provided each between every two of the pivot seats, the storage bin has several through holes and receiving grooves; the top lid is divided into two halves and is provided on one side of each half with pivot seats, the two halves are pivotably connected with the storage bin by means of axle holes provided on the aforesaid pivot seats and two axles, and have thereon several transverse limiting protrusions, longitudinal limiting protrusions and limiting blocks which together form a limiting area, one side of each half has protruding engaging portions and recessed engaging portions mutually alternately arranged, the protruding engaging portions each has on the bottom thereof an engaging groove, while the recessed engaging portions each has on the top thereof an engaging strip and an engaging block, several round holes on the top lid are exactly located respectivly on several through holes on the storage bin to allow several buckling belts to extend through the round holes and through holes and to buckle.
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