Magnetic sleeve

The utility model discloses a magnetic sleeve, the sleeve internal diameter of three echelonment has for the outmost internal diameter of placement pad piece is the biggest, and is less for the intermediate level diameter of fixation nut and flexure strip, and the inlayer diameter that is used for blocking the nut is minimum, and is littleer than corresponding diameter of nut, has inlayed magneticparticle at outermost inner wall, and that is served and is provided with the connecting device who links to each other with motor spindle being close to the inlayer. The utility model discloses a magnetic sleeve has a structure in multiple aperture through the setting, realizes can once only packing into in the sleeve gasket, flexure strip and nut, realizes their disposable installation, changesthe operation of traditional gasket, shell fragment, a piece installation on the nut, solves the difficult problem of gasket, the difficult installation of shell fragment. 本实用新型公开了种磁性套筒，所述的套筒具有三个阶梯状的内径，用以放置垫片的最外层内径最大，用以固定螺母及弹