Fan Device and Electronic Device Thereof

A fan device, comprising:

• a casing, having a board, and the board having a first state indicating not being applied force and a second state indicating being applied forced;
• a plurality of fan blades;
• a shaft, connected to the plurality of fan blades and allowing the plurality of fan blades rotating with the shaft, wherein at least one end of the shaft has a ball accommodating portion and an opening communicating with the ball accommodating portion;
• and
• a ball, disposed in the ball accommodating portion and limited by the opening for not separating from the ball accommodating portion;
• wherein when the board is in the first state, a gap is between the ball and the board;
• when the board is in the second state, the board and the ball touch each other.

An electronic device, comprising:

• a casing, having a board, and the board having a first state indicating not being applied force and a second state indicating being applied forced;
• a fan device, disposed in the casing and near the board of the casing, the fan device comprising:
• a plurality of fan blades;
• a shaft, connected to the plurality of fan blades and allowing the plurality of fan blades rotating with the shaft, wherein at least one end of the shaft has a ball accommodating portion and an opening communicating with the ball accommodating portion;
• and
• a ball, disposed in the ball accommodating portion and limited by the opening for not separating from the ball accommodating portion;
• wherein when the board is in the first state, a gap is between the ball and the board;
• when the board is in the second state, the board and the ball touch each other.