Efficient energy-saving environment-friendly mechanical sealing device
A mechanical sealing device, high-efficiency and energy-saving technology, applied in the direction of sealing/seal, wellbore/well parts, earthwork drilling and mining, etc., can solve the problems of cumbersome seal replacement, long replacement time, troublesome replacement, etc., to achieve installation and replacement The sealing strip is simple and easy to operate, compact in structure, and has the effect of increasing the safety factor
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[0015] In the present invention, a notch 9 is opened on the side wall of the screw nut 10, and the side wall of the central hole of the screw nut 10 is a spiral channel 8. Through this structure, a groove with a notch is formed on the screw nut 10, and the notch and the screw The threaded entrance end of the channel is exactly corresponding to facilitate the insertion of the sealing strip; the screw nut 10 is threadedly connected with the bearing housing 11, the upper end of the secondary sealing body 19 is inserted into the bearing housing 11, and the upper end side wall of the secondary sealing body 19 is installed by the stabilizer 7 There is a pressure cap 6, which can be firmly fixed to the secondary sealing body by the stabilizing nail. A thrust ball bearing 13 is installed between the pressure cap 6 and the bottom end of the bearing seat 11. The inner bush of the thrust ball bearing is tightly abutted On the pressure cap, the outer shell abuts against the bottom end of th...
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