Elastic anti-knock anti-loose nut

Abstract

The invention discloses an elastic anti-knock anti-loose nut. The elastic anti-knock anti-loose nut comprises a nut body, and connecting threads are machined on the nut body; an elastic gasket is arranged at the end of the nut body, and an elastic press-fit groove which can generate press-fit deformation along with pressing of the upper end of the elastic gasket is formed in the wall of the elastic gasket; through the improvement on the end of the nut body, the aim that a conventional spring gasket prevents looseness in the bolt connection process is achieved, a spring gasket is prevented from being placed at the end of the nut body, the space occupying at the position where the spring gasket is placed is reduced, it is ensured that when a bolt and the nut are connected, the enough effective length is achieved, and the connecting strength between the bolt and the nut is further ensured; and meanwhile, in the connecting process of the bolt, the elastic anti-knock anti-loose effect is achieved, the elastic gasket does not need to be additionally arranged, and the effective length of connection between the bolt and the nut is not shortened.

Description

technical field [0001] The invention relates to a nut matched with a bolt, in particular to an elastic anti-seismic anti-loosening nut, which is widely used in the fields of automobile tires and mechanical fastening to solve the connection of easily loosened bolts and nuts. Background technique [0002] At present, there is a combined nut on the market, which includes a nut and a movable washer. The movable washer enables the nut to be used universally regardless of left-handed or right-handed bolts when the nut is rotated. However, this kind of combined nut generally has the problem that the contact area between the nut and the movable washer is small, so that the bearing force of the nut is small, resulting in the problem that the nut is easy to loosen and fall off or the screw rod is easy to be twisted off. Its specific structure is as in 2009 A kind of nut applied on December 02, 2009 (application number 200920264486.4, it can be known from this invention patent that th...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an elastic anti-vibration and anti-loosening nut to solve the technical problem that the reinforced tire nut in the prior art does not have the pretightening force of the elastic washer, so that the bolts have an elastic anti-vibration and anti-loosening effect without the need for In addition, the elastic washer is added to not shorten the effective length of the connection between the bolt and the nut

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