| 摘要 |
<p>A fastener element for connecting a structural part, in particular a lining, to a support part having a fastening hole, in particular a body sheet of an automobile, comprising a fastener body (10) integrally formed of plastic material, the fastener body having a head (12) for the attachment of the structural part, a shank (14) connected to the head and a sealing flange (16) between head and shank, and a locking part (50) adapted to be connected to the shank through a releasable snapping connection and having snapping portions which cooperate with an edge of the fastening hole when the shank is introduced in the fastening hole in order to secure the fastener element on the support part, characterized in that the shank has two approximately parallel spaced outer webs (18,20) which are interconnected by a transverse web (42) the transverse web extending being spaced from the free end of the outer webs, with the transverse web having a tapered portion (22,24) tapering to the lower end thereof, the outer webs on the surfaces facing each other having projections (30,32) adjacent to the free end of the outer webs including upper and lower ramp surfaces, with the lower ramp surfaces (34,36) converging to the free end of the outer webs and the upper ramp surfaces (38,40) converging towards the head a washer-like locking part is formed of plastic material and is provided with an approximately rectangular aperture (52), holding portions (54,56) approximately L-shaped in cross-section being linked each to opposing edges of the aperture, the holding portions having a first web portion (58) which is formed to the washer-like locking part and a second web portion (62) which extends from an upper side of the locking part into the aperture towards the lower side of the locking part, a slot (68,70) is formed between the other opposing edges of the aperture and both holding portions adapted each to accommodate an outer web which is approximately matched to the slot and introduced from the upper side of the locking part, the lower ramp surfaces of the projections move the holding portion away from each other and the lower side of the second web portions can engage the upper ramp surfaces from above, the lower end of the transverse web and the associated facing surfaces of the first web portions of the holding portions are formed such that the holding portions are further pivoted away from each other and the second web portions undergrip the edge of the fastening hole if the shank is introduced in the fastening hole while the washer-like locking part engages the support part.</p> |
