Foldable structure, foldable device and foldable vehicle

A foldable device, comprising a foldable structure, the foldable structure comprising:

• a first folding seat;
• a second folding seat rotatably connected with the first folding seat and having a position limiting boss;
• and
• a locking assembly having a locking buckle and an unlocking part connected with the locking buckle, the locking buckle and the unlocking part being rotatably connected with the first folding seat, respectively,
• wherein the locking buckle is configured to move along with the first folding seat to be engaged with the second folding seat and the unlocking part is configured to move to abut against the position limiting boss, when the foldable structure is in an unlocked state and the first folding seat rotates around the second folding seat in a first direction, to allow for the foldable structure to be switched to a pre-locked state,
• the position limiting boss is configured to prevent the unlocking part from rotating around the first folding seat to unlock the locking buckle in the pre-locked state.

A foldable vehicle, comprising:

• a foldable structure:
• a first folding seat;
• a second folding seat rotatably connected with the first folding seat and having a position limiting boss;
• and
• a locking assembly having a locking buckle and an unlocking part connected with the locking buckle, the locking buckle and the unlocking part being rotatably connected with the first folding seat, respectively,
• wherein the locking buckle is configured to move along with the first folding seat to be engaged with the second folding seat and the unlocking part is configured to move to abut against the position limiting boss, when the foldable structure is in an unlocked state and the first folding seat rotates around the second folding seat in a first direction, to allow for the foldable structure to be switched to a pre-locked state,
• the position limiting boss is configured to prevent the unlocking part from rotating around the first folding seat to unlock the locking buckle in the pre-locked state;
• a handlebar connected with the first folding seat;
• a deck connected to the second folding seat through a diagonal rod;
• a rear fork connected to the deck;
• a front wheel rotatably connected to the second folding seat;
• and
• a rear wheel rotatably connected to the rear fork,
• wherein the first folding seat and the handlebar are configured in at least one manner of moving towards the deck and moving away from the deck.