2results about How to "Avoid reducing service life" patented technology

The utility model relates to a kind of bolt of repeatedly disassembling not easy to damage thread, including bolt body, nut group and bolt head, the nut group is threadedly connected to the outside of bolt body, bolt head is assembled in the top of bolt body, the outside of bolt body is sleeved with rubber gasket, limiting ring is assembled between the nut group and bolt head, the upper and lower ends of the limiting ring are connected with T-shaped slider, the top of nut group is provided with first annular groove, first clamping groove is embedded in the inner chamber both sides of first annular groove, first vertical groove is set in the top left and right ends of first annular groove.Repeatedly disassembling not easy to damage thread of bolt, by the T-shaped slider and first clamping groove and second clamping groove of additional, when limiting ring is self-locked between bolt body and nut group, the position of bolt body is automatically locked, so as to inhibit the loosening of bolt body, improve the stability of device overall, avoid producing alignment deviation and vibration when using.

The utility model discloses a steam condensate water discharge device, including drain pipe and water tank no.