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Structure for release preventing

A technology of washers and nuts, applied in the direction of connecting components, threaded fasteners, screws, etc., can solve the problem that the assembly parts cannot be prevented from loosening, and achieve the effect of easy assembly process and preventing loosening.

Inactive Publication Date: 2014-12-24
HYUNDAI MOBIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve this loosening problem of bolts and nuts, such as figure 1 As shown in the figure, a spring washer 130 and a flat washer 140 are additionally inserted between the bolt 110 and the assembly part 120 to fix the bolt and the nut, but there is a problem that the loosening of the assembly part due to vibration cannot be prevented.
[0006] like figure 2 As shown in the figure, the threaded portion of the bolt 110 is bonded by applying an adhesive such as Loctite or sealant, but there is a problem that this leads to a process of applying adhesive to the threaded portion of the bolt.

Method used

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Embodiment Construction

[0032] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings and the contents described later. However, the present invention is not limited to the embodiments described here, and may be embodied in other forms. The embodiments described herein are provided so that the disclosure will be thorough and complete and fully convey the concept of the invention to those skilled in the art. The same reference numerals denote the same constituent elements throughout the specification.

[0033] Figure 3a and 3b is a diagram illustrating a loosening preventing washer according to the loosening preventing joint structure of the present invention; Figure 4 It is a figure which shows the bolt, the nut, and an assembly part of the coupling structure for loosening prevention according to this invention.

[0034] Such as Figure 3a As shown in the figure, the anti-loosening washer 210 may be formed in a circular shape, the center pe...

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Abstract

The invention relates to a fastening structure for release prevention, and more particularly, to a fastening structure for release prevention which may prevent a bolt and a nut from being released due to an external impact, and provides a fastening structure for release prevention including: a release prevention washer which is formed in a ring shape, and has a plurality of projections that protrudes on both surfaces of the release prevention washer in a radial direction from a center; and a nut which has a plurality of grooves that corresponds to the plurality of projections formed on the surfaces of the release prevention washer.

Description

technical field [0001] The present invention relates to a joint structure for preventing loosening, and more specifically, to a joint structure for preventing loosening that can prevent bolts and nuts from becoming loose due to external impact. Background technique [0002] Typically, bolts and nuts are used to join the various assembly parts. [0003] Such bolts and nuts are means for fixing the assembly parts, and they penetrate through the holes of the stacked assembly parts and are combined with each other, and the respective assembly parts are assembled according to the bonding force formed by this connection. [0004] However, bolts and nuts can become loose due to external shock or vibration. Bolts and nuts used for vehicle coupling may be loosened due to variable loads such as shear loads and tensile loads or vibration loads. This loosening of bolts and nuts will affect the safety, reliability, and maintenance of precision. Problems with performance, connectivity, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/24
CPCF16B39/24F16B39/282
Inventor 任哲淳
Owner HYUNDAI MOBIS CO LTD