US Patent 11180011 Truck bed cover locking device, truck bed and truck

The truck bed cover locking device includes a side rail, a latch structure and a latch locking component. The latch structure is detachably mounted on the side rail. The latch structure includes a limiting surface. The latch locking component is provided on a truck bed cover. The latch locking component includes a plunger capable of at least partially moving to a position below the limiting surface. The limiting surface extends toward the plunger, and an extending length of the limiting surface is not less than the length of the plunger moving to a position below the limiting surface. The latch structure is detachably provided on the side rail, and fits with the latch locking component on the truck bed cover, thereby tightly locking the truck bed cover on the side rail, and protecting the side rail from damage.