Decoration screw, screw decoration cover and decoration screw assembly

Abstract

The invention relates to a decoration screw, a screw decoration cover and a decoration screw assembly. A blind hole extending in the direction of the axis of a screw body is formed in the center of a screwing groove, the length of the blind hole extends downwards from the bottom face of the screwing groove, a distance is set between the bottom of the blind hole and the root portion of a screw head, and the set distance is not smaller than 2 mm. The screw decoration cover comprises a cover body, the upper end face of the cover body is a smooth surface, a containing groove is formed in the lower end face of the cover body, the depth of the containing groove is not smaller than the height of the screw head, and the diameter of the containing groove is not smaller than the diameter of the screw head so that the screw head can be contained during use. An insertion connecting pillar extending downwards is arranged in the middle of the containing groove, an elastic body is arranged on the periphery of the insertion connecting pillar, the diameter of the insertion connecting pillar is larger than the diameter of the blind hole, and the insertion connecting pillar is matched with the blind hole in an insertion connecting manner. The decoration screw assembly has the beneficial effects that mounting and demounting are convenient and fast, the decoration screw assembly is very firm after installation and is not likely to be loosened, , and the environment cannot be polluted.

Description

technical field

[0001] The invention relates to a decorative screw, a screw decorative cover and a decorative screw assembly. Background technique

[0002] Screws and screw decorative covers are often used in vehicle interiors and furniture interiors where surface decoration is required. Since the leakage of the screw cap will affect the aesthetics of the surface, a decorative cover is required for decoration. The existing screw decorative cover and Existing commonly used screws are used together. When used, they are generally matched with the nail cap of the screw by gluing or threading. When using the gluing method, the glue is not environmentally friendly and is easy to loosen, which will cause the decorative cover to fall off, affecting the appearance, and the glue The sticky decorative cap is inconvenient to disassemble and reinstall. On the one hand, the existing thread method is cumbersome and costly to process, and on the other hand, the installation and removal of t...

Images