Housing of foldable electronic device

A locking assembly for locking a first cover to a second cover of a foldable electronic device, comprising:

• a lock receiving portion positioned on the first cover;
• a locking mechanism positioned on the second cover, said locking mechanism comprising:
• a button including a main body, a locking portion, a pivot portion, a contact portion and a resilient portion,
• wherein the contact portion is formed at a first side of the main body;
• the pivot portion, the locking portion and the resilient portion are formed at a second side of the main body;
• the pivot portion and the resilient portion are correspondingly located at two ends of the second side of the main body;
• the main body is rotatably positioned on the second cover by the pivot portion;
• the locking portion is located between the pivot portion and the resilient portion;
• the contact portion and the pivot portion are separated from each other at a predetermined distance;
• at least a portion of the contact portion is exposed out of the second cover by the resilient portion;
• wherein, when the first cover engages the second cover, the locking portion will engage the lock receiving portion;
• wherein, when the exposed portion of the contact portion is pushed in a direction toward the second cover against the resilient portion, so that the main body is rotated to drive the locking portion out of engagement with the lock receiving portion, allowing the first cover to move out of engagement with respect to the second cover.