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Lock nut

A technology for preventing loosening of nuts and nuts, applied in the directions of nuts, screws, bolts, etc., can solve the problem of not being able to effectively prevent reverse loosening, etc., to prevent reverse loosening, facilitate reverse loosening, and improve reverse loosening. Effect

Pending Publication Date: 2022-06-07
吴勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that the existing nuts can not effectively prevent reverse loosening due to vibration after being screwed into the bolts for fastening and fixing, a nut with a better effect of preventing reverse loosening is provided, and it can also be conveniently reversed according to needs. Back off the nut

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] like figure 1 , figure 2 , image 3 middle, Figure 4 , Figure 5 As shown in , after the nut (1) is forwardly screwed into the bolt (2) and fixed, the stopper (4) is inserted into the stopper groove (3) provided by the nut (1), and the stopper (4) moves towards the nut ( 1) Press the stop groove (3) against the direction of loosening and retreating in the opposite direction, and the head clip (5) of the stopper (4) is pressed against the bolt (2) and deformed to lock the nut (1). The moving part (4) presses against the nut (1) and at the same time the head clip (5) of the stopper (4) clamps the nut (1), and the nut (1) and the stopper (4) can simultaneously offset the The reverse loosening of the nut (1) can be easily removed by cooperating with the tail recess (6) on the stopper (4).

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PUM

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Abstract

A lock nut comprises a nut body and a bolt, a locking groove is formed in the nut face, screwed into the bolt in the forward direction, of the nut body, a retainer is inserted into the locking groove and abuts against the locking groove in the reverse loosening direction of the nut body, and the larger the reverse loosening force borne by the nut body due to vibration is, the larger the force of the retainer abutting against the nut body to prevent reverse loosening is. Meanwhile, a head clamping strip of the inserted retainer is stressed to extrude the bolt to deform and then clamp the nut, the retainer and the nut can offset reverse loosening generated by vibration at the same time, and the nut can be reversely loosened when the retainer is removed. And the nut can be conveniently and reversely loosened according to requirements.

Description

technical field [0001] The invention relates to the field of fasteners, in particular to an anti-loosening nut which can prevent loosening and retreating due to vibration after bolts and nuts are fastened together. Background technique [0002] Nuts and bolts are common fasteners. The use of nuts and bolts is a type of mechanical parts that are used for fastening connections and are widely used. However, in practical applications, the nuts are screwed into the bolts for fastening and fixing Finally, when subjected to vibration for a long time, the nut is prone to reverse loosening and withdrawal, which will cause major accidents, so it is often necessary to carry out forward screwing reinforcement, which is very inconvenient. Contents of the invention [0003] In order to overcome the deficiency that the existing nuts can not effectively prevent reverse loosening and retreating due to vibration after the nuts are forwardly screwed into the bolts for fastening and fixing, a...

Claims

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Application Information

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IPC IPC(8): F16B39/02
CPCF16B39/02
Inventor 吴勇
Owner 吴勇
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