BLIND RIVET INSERT, A COMPONENT WITH AN INSTALLED BLIND RIVET INSERT AND METHOD FOR INSTALLING SUCH A BLIND RIVET INSERT IN A COMPONENT OPENING

摘要

The present invention relates to a blind rivet insert comprising a bearing head forming an annular flange and a shank extending from an underside of the bearing head and comprising a head end, a foot end and a cylindrical bore extending in lengthwise direction from the head end to the foot end, and having a first bore segment near the foot end, provided with an internal thread, and a second bore segment near the head end whose diameter is greater than the diameter of the first bore segment, the wall surrounding the second bore segment forming a deformable region of the shank, wherein the underside of the bearing head comprises an annular underhead groove concentrically arranged to the shank and adapted for receiving a sealing ring in a mounted condition of the blind rivet insert, and only one annular retaining shank groove extends circumferentially around the shank, being arranged adjacent to the underside of the bearing head, and retaining the sealing ring in a preloaded position before mounting the blind rivet insert.