Electronic components heat sink

The utility model discloses an electronic components heat sink, including refrigeration piece, fixed baseplate and limiting plate, the fixed baseplate intermediate position is provided with the rotarycolumn, and the rotary column both sides are fixed with spacing post, and spacing post one end top is connected with the fourth spring, and spacing post one end is fixed with the fixed block, and therotary column bottom is connected with spacing post, and the side border of fixed block is located through pivot fixedly connected with rotor plate, one side fixed surface of rotor plate is providedwith first spring, the inside fixed second spring that is provided with in fixed baseplate bottom, the utility model discloses when the rotary column moved down, second spring shrink and spacing postmoved down, and bracing piece rebound and the shrink of fourth spring are rotated fixed block and rotary column and is rotated thereupon, and the position that is favorable to changing the refrigerator cooling is abundant to chi