Magnetic drive screw vacuum pump
A screw vacuum pump and magnetic drive technology, applied in pumps, machines/engines, rotary piston pumps, etc., can solve problems such as medium leakage, achieve the effects of motor protection, easy installation and use, and compact structure
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[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0017] Such as figure 1 As shown, the present invention includes a cavity 1, a driving rotor 2, a driven rotor 3, a bearing housing 4, a gear box 5, a transmission gear set, an inner magnetic rotor 6, an outer magnetic rotor 7, an isolation sleeve 8 and a motor 10, wherein the active Both the rotor 2 and the driven rotor 3 are accommodated in the cavity 1, a bearing housing 4 is fixedly connected to the outer surface of one end of the cavity 1, a gearbox 5 is fixed to the outer surface of the other end, and the driving rotor shaft 11 And one end of the driven rotor shaft 12 passes through the cavity 1 and is installed in the bearing housing 4 through the bearing, and the other end passes through the cavity 1 and is connected through the transmission gear set located in the gearbox 5; the transmission gear set includes Driving gear 13 and driven gear 14, driv...
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