A clip assembly includes a seat having a surrounding wall with a receiving hole, and a locking mechanism proximate to the surrounding wall and including a pair of movable levers. Each movable lever has an engaging portion movably inserted into the receiving hole, and a driven portion. A drive unit has a button that is moved to a pressed position, where the driven portions are pushed to move away from each other and out of the receiving hole. A clip mechanism includes a connection body received in the receiving hole and having two connecting holes to respectively engage the engaging portions. The engaging portions are disengageable from the connecting holes by pressing the button.