Anti-skid nut and assembling method thereof

Abstract

The invention provides an anti-skid nut and an assembling method thereof, belongs to the field of mechanical fasteners and solves the problem that an existing nut is poor in anti-loosening effect. Theanti-skid nut comprises a thread insert provided with a threaded hole, a rotation groove is formed in the hole wall at the bottom end of the threaded hole, a rotation sleeve is arranged in the rotation groove, a sliding groove is formed in the groove wall of the rotation groove, a sliding ring is arranged on the outer wall of the rotation sleeve, an axial moving groove is formed in the groove wall at the bottom end of the rotation groove, an axial moving sleeve is arranged in the axial moving groove, the outer wall of the rotation sleeve is sleeved with the inner wall of the axial moving sleeve, and the inner wall of the axial moving sleeve and the outer wall of the rotation sleeve are provided with a locating groove and a locating sleeve. The anti-skid nut further comprises a spacer anda gasket, the inner edge of the spacer is fixed to the outer wall at the bottom end of the rotation sleeve, radial moving holes are formed in the thread insert, radial moving rods penetrate through the radial moving holes, limiting grooves are formed in the outer wall of the axial moving sleeve, limiting blocks located in the limiting grooves in a sliding mode are arranged at the inner ends of theradial moving rods, and a reset spring with the two ends abutting against the top end of the axial moving sleeve and the axial moving groove is arranged in the axial moving groove. The anti-skid nutis better in anti-loosening and anti-skid effects.

Description

technical field [0001] The invention belongs to the technical field of mechanical fasteners, and relates to an anti-skid nut and an assembly method thereof. Background technique [0002] In order to prevent the nut from loosening on the bolt due to vibration in mechanical equipment, a gasket is usually added between the nut and the connected part, and the nut is further tightened to use the axial expansion of the gasket to improve the gap between the nut and the bolt. Excellent thread friction, thereby improving anti-loosening performance. However, the method of adding gaskets for anti-loosening has the following defects: [0003] 1. In the process of gradually tightening the nut, there will be friction between the nut and the washer, although the friction force between the nut and the washer has the effect of preventing loosening after the nut is tightened. During the nut process, it will hinder the further tightening of the nut; [0004] 2. Further tightening the nut wi...

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Problems solved by technology

[0003] 1. In the process of gradually tightening the nut, there will be friction between the nut and the washer, although the friction force between the nut and the washer has the effect of preventing loosening after the nut is tightened. During the nut process, it will hinder the further tightening of the nut;

[0004] 2. Further tightening the nut will further improve the anti-loosening effect, but it will further increase the difficulty of loosening the nut, so it is not suitable for occasions that require high-strength anti-loosening and frequent disassembly and assembly

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