Bay bolt anti-corrosion protection device
A technology for basic bolts and protective devices, which is applied to bolts, nuts, threaded fasteners, etc., can solve problems such as short service life and easy corrosion of bolts, and achieve the effects of reducing costs, preventing bolts from being corroded, and ensuring safety
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[0024] In order to better understand the shape, structure and characteristics of the present invention, preferred embodiments will be listed below and described in detail with reference to the accompanying drawings.
[0025] Such as figure 1 As shown, the present invention provides a basic bolt anti-corrosion protection device, which includes a cylindrical sleeve 1 and a cylindrical sleeve rod 2 integrally connected, the inner diameter of the sleeve 1 is slightly larger than the diameter of the nut or is the same as the diameter of the nut Equal, one end of the sleeve body 1 has an opening for the screw rod and nut of the foundation bolt to extend in, and the other end is connected to one end of the sleeve rod 2, the inner diameter of the sleeve rod 2 is smaller than the inner diameter of the sleeve body 1, but smaller than the diameter of the screw rod Slightly larger or equal to the diameter of the screw rod, so that the screw rod can be sleeved in the sleeve rod 2 . The ot...
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