Pot cover formula range hood that angle can be adjusted wantonly

The utility model relates to a pot cover formula range hood that angle can be adjusted wantonly, its characterized in that: interior gas collecting channel passes through the below of connecting rod fixed connection gas collecting channel outside, and the diameter of gas collecting channel is big in the diameter ratio of outer gas collecting channel, and the vacuole formation body between outer gas collecting channel and the interior gas collecting channel, the border of outer gas collecting channel form the annular with the border of interior gas collecting channel and breathe in, division has the hole of airing exhaust, centrifugal fan's the exhaust pipe and the jogged joint of airing exhaust of outer gas collecting channel on the outer gas collecting channel, it has formed the cavity body in the gas collecting channel of pot cover formula, through connected flexible pipe centrifugal fan's suction effect down, will cook cigarette that the meal produced, gas, the oil annular around through the gas collecting channel and breathe in and discharge outdoorly, the direct mount uses with the pot cooperation on the present top of a kitchen range, just can solve chaotic state in which corrupt practices prevail of rural kitchen and the diffuse current situation of flue gas, its exhaust is effectual, and is rational in infrastructure, convenient to use, safety.