Heat dissipation and dust prevention computer case

The utility model discloses a heat dissipation and dust prevention computer case in computer technology field, the inner chamber of machine case is provided with the computer mainboard, the top of machine case is provided with little condenser, the inner chamber bottom and the top of machine case all are provided with the support, and the support is located the right side of computer mainboard, and be two sets of heat dissipation fan in being connected with between the support, the right side of interior heat dissipation fan is provided with the wind -collecting cover, the right side of wind -collecting cover is connected with out the tuber pipe, and the other end that goes out the tuber pipe runs through the top of quick -witted case, through little condenser, interior heat dissipation fan, the wind -collecting cover, the setting of tuber pipe and air -supply line goes out, can dispel the heat to quick -witted case internal recycling, the radiating effect is good, and be difficult for bringing outside dust i