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Simple double-nut structure and anti-loosening method

A simple technology with double nuts, applied in the direction of nuts, screws, bolts, etc., can solve problems such as the inability to use double nut structures

Inactive Publication Date: 2020-05-22
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in a specific position such as narrow space or when the main nut needs to be used in conjunction with other parts, it is necessary to adjust the gap of the main nut to ensure the normal use of the matching parts, and to carry out anti-loosening treatment on it. In this case, it is impossible Use the existing double nut structure for anti-loosening

Method used

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  • Simple double-nut structure and anti-loosening method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as Figure 1-Figure 5 As shown: this embodiment provides a simple double nut structure, including the main nut 5, the auxiliary nut 6 and the locking screw 4, the internal threads of the main nut 5 and the auxiliary nut 6 are exactly the same, the main nut 5 and the auxiliary nut 6 can Matched on the same screw rod 1, several threaded through holes 7 parallel to the axis of the auxiliary nut 6 are opened on the auxiliary nut 6, and several threaded through holes 7 are evenly distributed along the circumferential direction of the auxiliary nut 6, and the locking screw 4 passes through the threaded through holes 7 can be in contact with the end face of the main nut 5, the effective thread length of the locking screw 4 is greater than the thickness of the auxiliary nut 6, and the end of the nut of the locking screw 4 is provided with a hexagonal hole to facilitate the screwing of the locking screw 4 to the main The nut 5 is fastened and anti-loosening, and the end fac...

Embodiment 2

[0031] This embodiment provides an anti-loosening method using the simple double nut structure in Embodiment 1. First, the main nut 5 and the auxiliary nut 6 are screwed into the screw 1 at the same time, and then the main nut 5 is turned to adjust the gap. After meeting the gap adjustment requirements, screw the locking screw 4 into the threaded through hole 7 of the auxiliary nut 6, and the end of the locking screw 4 is pressed against the end face of the main nut 5 to meet the anti-loosening requirements of the main nut 5, and at the same time The simple double nut structure can be used in a narrow space without affecting the cooperation relationship between the main nut 5 and the screw rod 1 .

[0032] Applications

[0033] Such as Figure 6 Shown: This application case applies Embodiment 1 and Embodiment 2, and explains the effects of Embodiment 1 and Embodiment 2. Specifically, the first and second embodiments are applied to the electric servo cylinder. Since the space...

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Abstract

The invention discloses a simple double-nut structure. The structure involves a main nut, an auxiliary nut and locking screws, wherein internal threads of the main nut and the auxiliary nut are completely the same, the main nut and the auxiliary nut can be matched on the same screw rod, a plurality of threaded through holes parallel to the axis of the auxiliary nut are formed in the auxiliary nut,and the locking screws penetrate through the threaded through holes and can make contact with the end face of the main nut. The simple double-nut structure can be used in a narrow space, and the matching relation between the main nut and a matching part cannot be influenced.

Description

technical field [0001] The invention relates to the technical field of fastening and anti-loosening parts, in particular to a simple double-nut structure and an anti-loosening method. Background technique [0002] The threaded connection in mechanical equipment mostly uses double nuts to prevent loosening. The assembly process is first to tighten the first nut (ie, the main nut), and then through the second nut (ie, the auxiliary nut) to prevent loosening. The first nut can be tightened to adjust the gap, and then the first nut is fixed with a wrench, and the second nut is screwed at the same time, so that a large thrust force is generated between the two nuts, and the pressure and friction between the thread pairs are increased to realize The purpose of anti-loosening. But in a specific position such as narrow space or when the main nut needs to be used in conjunction with other parts, it is necessary to adjust the gap of the main nut to ensure the normal use of the matchi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/12F16B39/02F16C23/06
CPCF16B39/02F16B39/12F16C23/06
Inventor 张祝新刘谦赵丁选王立新李伟建
Owner YANSHAN UNIV
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