a locking device

Abstract

The invention relates to a locking device. The locking device comprises a first locking unit and a second locking unit. The first locking unit is provided with a through hole, a first end and a second end, and the first end and the second end are opposite to each other; the second end is provided with a first clamping groove set which is arranged around the second end; the first clamping groove set is composed of N+1 convex points and N clamping grooves, and the N+1 convex points and the N clamping grooves are alternately arranged in sequence; the opening directions of the N clamping grooves are all the first direction; every two of the N clamping grooves are connected through the corresponding convex point of the N+1 convex points; the inner wall of the first locking unit is provided with a first groove from the first end to the second end; the second locking unit is provided with a cylindrical body, a cap body and a first protrusion; when the second locking unit is arranged on the first locking unit in a sleeved manner through the through hole, the first protrusion reaches the second end through the first groove from the first end; and in the second direction, from the position of the first groove, the distances of the N clamping grooves in the first clamping groove set away from the first end are sequentially increased, and the second locking unit is rotated to make the first protrusion locked by one clamping groove in the first clamping groove set.

Description

technical field [0001] The invention relates to a locking device, in particular to an anti-loosening locking device. Background technique [0002] As a fastener, the most important performance of the screw is its anti-vibration or anti-loosening performance. When an ordinary screw is locked, its thread and the thread of the locked part are in parallel contact, and it is easy to slide and loosen during vibration. take off. [0003] In order to solve the problem of loosening, the usual method is to use anti-falling screws or add elastic washers, but since the adhesive resin of the anti-falling screws is locked and then taken out, there will be chipping problems, and the elastic washers will be missed. risk, so many methods in the prior art have more or less certain problems in improving the problem of loosening. Contents of the invention [0004] In order to improve the above problem of anti-loosening, the present invention provides a locking device. [0005] The above-me...

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Problems solved by technology

[0002] As a fastener, the most important performance of the screw is its anti-vibration or anti-loosening performance. When an ordinary screw is locked, its thread and the thread of the locked part are in parallel contact, and it is easy to slide and loosen during vibration. take off

[0003] In order to solve the problem of loosening, the usual method is to use anti-falling screws or add elastic washers, but since the adhesive resin of the anti-falling screws is locked and then taken out, there will be chipping problems, and the elastic washers will be missed. risk, so many methods in the prior art have more or less certain problems in improving the problem of loosening

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