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Anti-loosening nut

An anti-loosening and nut technology, applied in the direction of nuts, screws, bolts, etc., can solve the problems of traditional structure loosening danger and can not fully meet the needs of special industries, and achieve the effect of simple structure, reasonable design and good anti-loosening effect.

Pending Publication Date: 2021-06-25
上海宇钢精密机械厂 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As one of the most commonly used fasteners, the nut has a risk of loosening in its traditional structure, which can no longer fully meet the needs of special industries. It is urgent to develop locknuts for special fasteners to meet the needs of this aspect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An anti-loosening nut disclosed in this embodiment is characterized in that it includes a main nut 1 and an auxiliary nut 2, and the main nut 1 is divided into multiple sections, which are respectively an outer hexagon section 3, an outer thread section 4 and a vertebral body section 5, The main nut 1 is connected in the axial direction, and the first internal thread 6 is provided inside. The external hexagon section 3, the external thread section 4 and the vertebral body section 5 are of an integrated structure, and the connection between the external thread section 4 and the vertebral body section 5 The interval passes through the inner arc section 7; the auxiliary nut 2 is in the shape of a hexagonal nut, and its axial direction is open, and the second internal thread 8 and the conical extrusion slope 9 are arranged in turn;

[0024] The vertebral body section 5 is conical, and its outer wall is a pressure slope 10. The vertebral body section 5 is composed of multi-lo...

Embodiment 2

[0032] An anti-loosening nut disclosed in this embodiment is characterized in that the multi-lobed pressure-receiving blocks 11 are evenly distributed in the circumferential direction along the axial direction of the main nut 1, and the main nut 1 and the auxiliary nut 2 are fastened, and the slope 9 is squeezed. Fully contact and closely fit with the pressure slope 10;

[0033] In this embodiment, the pressing surface pressure of the pressing slope surface 9 and the pressure receiving slope surface 10 is balanced, and the frictional force is embodied as a more balanced surface friction.

Embodiment 3

[0035] An anti-loosening nut disclosed in this embodiment is characterized in that the multi-lobed pressure blocks 11 are uniformly distributed in the circumferential direction, and their distribution axes are parallel to and do not intersect with the axis of the main nut 1, and are arranged eccentrically, and the main nut 1 and the auxiliary nut 1 are arranged eccentrically. In the fastened state of the nut 2, the extrusion slope 9 is fully in contact with the compression slope 10 and closely fits;

[0036] In this embodiment, the extrusion surfaces of the extrusion slope surface 9 and the compression slope surface 10 are unbalanced, and the shrinkage of the multi-lobe compression block 11 on the vertebral body segment is reflected in that one end is strong and the other end is weak, and the compression block 11 The inner shrinkage decreases evenly from the strong end to the weak end, which means that the friction force of the extrusion surface decreases evenly from the strong...

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Abstract

The invention discloses an anti-loosening nut. The anti-loosening nut comprises a main nut and an auxiliary nut, wherein the main nut is divided into a plurality of sections, namely an outer hexagonal section, an outer threaded section and a cone section, the outer threaded section and the cone section are in transition through an inner arc section, the outer wall of the cone section is a pressed slope surface and is composed of a plurality of pressed blocks, an extrusion slope surface is arranged in the auxiliary nut, the pressed blocks are separated through first gaps, and second gaps are symmetrically formed in the two sides of the root of the auxiliary nut. The anti-loosening nut is simple in structure and reasonable in design, and is a special fastener, friction locking is realized through elastic contact between the main nut and the auxiliary nut, the anti-loosening effect is excellent, the use is simple and convenient, and the anti-loosening nut is suitable for large-scale popularization and use.

Description

technical field [0001] The invention relates to the technical field of mechanical fasteners, in particular to an anti-loosening nut. Background technique [0002] With the development of social economy and industry, the use of fasteners is more extensive and more important, involving construction, automobiles, machinery and other fields. [0003] As one of the most commonly used fasteners, the nut has a risk of loosening in its traditional structure, which cannot fully meet the needs of special industries. It is urgent to develop lock nuts for special fasteners to meet this demand. Contents of the invention [0004] Aiming at the above problems, the present invention discloses an anti-loosening nut. [0005] The specific technical scheme is as follows: [0006] An anti-loosening nut is characterized in that it includes a main nut and an auxiliary nut. The main nut is divided into multiple sections, which are respectively an outer hexagonal section, an external thread sec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/12
CPCF16B39/122
Inventor 万士万宇轩冯锋锋
Owner 上海宇钢精密机械厂
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