Electric tool and kuppe and power module thereof

The utility model discloses a kuppe and have its power module and electric tool, the kuppe includes the fan section of acceping, is located the air inlet at the fan section of the acceping upper reaches inclines and is located the air -out side in the fan section of acceping low reaches, the air inlet side still includes certainly the water conservancy diversion section that the fan section of accommodating is extended to the upper reaches, the water conservancy diversion section has the closed tube -shape that an organic whole made and is equipped with the cooperation in upper reaches opening part terminally, terminal joining in marriage with filter equipment or upper reaches section of thick bamboo portion of cooperation connects. The kuppe further to the water conservancy diversion section design of upper reaches extension, has reduced sealing parts the cost is reduced, has also avoided having improved the evacuation ability owing to divide the piece and assemble the gas tightness problem of bringing. 本申请公