Atmospheric pressure ejector

The utility model belongs to an atmospheric pressure ejector, including urceolus (7), be connected with position circle (4) at the bolt left end for (3) of urceolus (7), the welding is gone up in position circle (4) has reinforcing ring (2), and reinforcing ring (2) is gone up to weld has protection network (1), the welding has baffle (6) and otic placode (14) in its characterized in that urceolus(7), and otic placode (14) are connected with ventilating duct (5), and it has fixed plate (10) still to weld in urceolus (7), and fixed plate (10) welding has inner tube (8), leaves small clearancebetween inner tube (8) and baffle (6), urceolus (7) external fixation has lug (9) and reinforcing ring two (11), and urceolus (7) outside welding has compressed air entry (12). The utility model discloses simple structure, power consumption not, the on -bladed, with compressed air as the power supply, replaced electric fan. 本实用新型属于种气压引射器，包括外筒（7），在外筒（7）的左端用螺栓（3）连接有定位圈（4），定位圈（4）上焊接有加强圈（2），加强圈（2）上焊接有防护网（1）；其特征在于外筒（7）内焊接有挡板（6）