Rivet bolt

Abstract

A rivet bolt, which connects a plurality of connection members by rivet joints, is disclosed. The rivet bolt includes a connection hole 26 formed through a flange part 24 and provided with a screw part 28, a retainer 2 in which flat parts 32 and inclined parts 34 alternately arranged around the connection hole 26 in the diagonal direction, and fastening pieces 30 formed at the lower portion of the flange part 6 by cutting, curved projections being formed at lower ends of the fastening pieces, and a bolt 4 including a plurality of elevating pieces 10 protruded from the lower surface of a bolt head 8 so as to be inserted into the retainer 2, a screw thread 14 formed at the upper end of a bolt body 12, a plurality of protruding pieces 16 formed at the lower end of the bolt body 12 at designated intervals, and a downwardly inclined extension part 18 and an anti-separation piece 20 formed at the lower portion of the bolt body 12.

Description

Technical field [0001] The present invention relates to a riveting bolt, which is mainly used to connect multiple joining parts (plates, steel plates, objects with non-specific shapes, etc.) by riveting, and more specifically, to a riveting bolt that forms a holder for the riveting bolt When the bolt is pre-assembled and connected to the joint part, it can be firmly joined, and the bolt will not be easily separated from the holder, thereby preventing the part from being lost. Background technique [0002] At present, when nuts cannot be used to connect panels of interior materials such as resins or non-woven fabrics, which are mainly used in automobiles, to car body panels, rivet bolts that are connected by riveting are widely used. [0003] As an example, Korean Utility Model Registration No. 386889 proposed "rivet bolts". The existing rivet bolts roughly include a retainer and a bolt. After the bolt is inserted into the retainer joint groove, the bolt is pushed in and the lower p...

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned utility model has the advantage of improving workability by simply connecting the joint parts without additional riveting by riveting, it also has the following disadvantages. When the bolt expands the joint part of the retainer, the operator needs to rotate the threaded part several times. to push it in, so it's inconvenient

Moreover, when the threaded part of the bolt and the joint part are expanded, it is difficult to fully combine with the inner protruding ring, so it is difficult to maintain the expanded state of the joint part, so the rivet bolt is easy to come off from the joint part

[0005] In addition, when the threaded part of the bolt is combined with the retainer to form a pre-bond, they do not separate from each other, but in fact, the bolt is easily separated from the retainer when the bolt is pulled out, so during operation, the bolt is often lost and needs to be removed. buy additional parts

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