CN219733877U - Nut assembly with extension anti-loosening structure - Google Patents

Abstract

The utility model provides a nut component with an extension anti-loosening structure, which comprises a nut body, wherein one end of the nut body extends out of an extension tube along the axial direction of the nut body, the extension tube and the nut body are coaxially arranged, an annular limiting ring and a limiting bulge are arranged on the outer side wall of the end part of the extension tube, the limiting bulge is positioned between the limiting ring and the nut body, a breaking groove is arranged on the side wall of the end part of the extension tube, the breaking groove penetrates through the limiting ring and the limiting bulge, a tightening ring is sleeved on the extension tube, a limiting groove corresponding to the limiting bulge is arranged on the inner side wall of the tightening ring, and the height of the limiting ring bulge is larger than the depth of the limiting groove. After the nut body is screwed, the tightening ring on the extension tube is moved, the tightening ring is moved to the end part of the extension tube, the end part of the extension tube is extruded and rolled through the limiting protrusion, the end part of the extension tube is moved to the bolt, the end part of the extension tube and the bolt are mutually extruded to form clamping fit, the rotation of the nut body is limited, and the nut body is prevented from loosening due to vibration.

Description

Nut assembly with extension anti-loosening structure

Technical Field

The utility model relates to the technical field of hardware fasteners, in particular to a nut component with an extended anti-loosening structure.

Background

The nut is a part for tightly connecting mechanical equipment, and the nut is tightly connected with the bolt through the inner threads. However, when the machine is started to work, the machine vibrates, so that the connection between the nut and the bolt may be loosened due to vibration, and the normal operation of the machine may be affected by the loosening of the nut, so that improvement is needed.

Disclosure of Invention

Aiming at the problems pointed out in the background art, the utility model provides a nut component with an extension anti-loosening structure, which has reasonable structural design and convenient use and operation.

The technical scheme of the utility model is realized as follows:

the utility model provides a nut subassembly with extension locking structure, includes the nut body, the one end of nut body extend the extension pipe along its axial direction, extension pipe and the coaxial setting of nut body are equipped with annular restriction ring and restriction arch on the lateral wall of the tip of extension pipe, the restriction arch is located between restriction ring and the nut body, the lateral wall of the tip of extension pipe on be equipped with the breaking groove, the breaking groove runs through restriction ring and restriction arch setting, the extension pipe on cup joint the tight ring of restraint, be equipped with the restriction groove that corresponds with the restriction arch on the inside wall of tight ring of restraint, the bellied degree of depth of restriction ring is greater than the restriction groove.

The utility model is further characterized in that a plurality of breaking grooves are arranged, and the plurality of breaking grooves are arranged at intervals in the circumferential direction of the extension pipe.

The utility model further provides that the breaking grooves are provided with four breaking grooves.

The utility model is further arranged that the outer diameter of the extension tube is smaller than the outer diameter of the nut body.

By adopting the technical scheme, the utility model has the beneficial effects that:

according to the nut component with the extension anti-loosening structure, after the nut body is screwed, the tightening ring on the extension tube is moved, the tightening ring is moved to the end part of the extension tube, the end part of the extension tube is extruded to the bolt by the limiting protrusion, the end part of the extension tube is moved towards the bolt, and the end part of the extension tube and the bolt are mutually extruded to form clamping fit, so that the rotation of the nut body is limited, and the nut body is prevented from loosening due to vibration.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the binding ring of the present utility model in an initial state.

FIG. 2 is a schematic view of the binding ring of the present utility model in a constrained use state.

Fig. 3 is a cross-sectional view of fig. 2 of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is illustrated below with reference to fig. 1-3:

example 1: the utility model provides a nut subassembly with extension locking structure, including nut body 1, the extension pipe 2 is extended to nut body 1's one end along its axial direction, extension pipe 2 and the coaxial setting of nut body 1, the external diameter of extension pipe 2 is less than the external diameter of nut body 1, be equipped with annular restriction ring 3 and restriction arch 4 on the lateral wall of extension pipe 2's tip, restriction arch 4 is located between restriction ring 3 and nut body 1, be equipped with break slot 5 on the lateral wall of extension pipe 2's tip, break slot 5 is equipped with four, four break slot 5 interval sets up in the circumference direction of extension pipe 2, break slot 5 runs through extension pipe 2's lateral wall setting, break slot 5 runs through extension pipe 2's tip setting, break slot 5 runs through restriction ring 3 and restriction arch 4 setting, slide on extension pipe 2 has cup jointed and has tightened ring 6, be equipped with the restriction groove 7 that corresponds with restriction arch 4 on the inside wall of tightening ring 6, the bellied height of restriction ring 3 is greater than the degree of depth of restriction groove 7.

Working principle: the nut body 1 is connected to the bolt, the nut body 1 is screwed tightly, the tightening ring 6 is driven to move towards the limiting ring 3 (the limiting ring 3 can prevent the tightening ring 6 from being separated from the extension pipe 2), the limiting bulge 4 can form extrusion after entering the inner side of the tightening ring 6, the four-flap extension pipe divided by the breaking slot 5 is contracted inwards and is surrounded on the bolt to form clamping fit to form an anti-vibration and anti-loosening structure, meanwhile, the limiting slot 7 on the tightening ring 6 is connected with the limiting bulge 4, so that the tightening ring 6 is fixed on the extension pipe 2, the tightening ring 6 is prevented from moving, the limiting slot 7 is matched with the limiting bulge 4 to play a role in positioning the position of the tightening ring 6, and meanwhile, the protruding height of the limiting ring 3 is larger than the depth of the limiting slot 7, and extrusion quantity can be formed, so that the end part of the extension pipe 2 can be deformed inwards by extrusion.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.

Claims (4)

1. The utility model provides a nut subassembly with extension locking structure, includes nut body, its characterized in that: one end of the nut body extends out of the extension tube along the axial direction of the nut body, the extension tube and the nut body are coaxially arranged, an annular limiting ring and a limiting protrusion are arranged on the outer side wall of the end part of the extension tube, the limiting protrusion is located between the limiting ring and the nut body, a breaking groove is formed in the side wall of the end part of the extension tube, the breaking groove penetrates through the limiting ring and the limiting protrusion, a tightening ring is sleeved on the extension tube, a limiting groove corresponding to the limiting protrusion is formed in the inner side wall of the tightening ring, and the height of the limiting ring protrusion is larger than the depth of the limiting groove.

2. A nut assembly with an extended anti-loosening structure as defined in claim 1, wherein: the breaking grooves are arranged in a plurality, and the breaking grooves are arranged at intervals in the circumferential direction of the extension pipe.

3. A nut assembly with an extended anti-loosening structure as defined in claim 2, wherein: the breaking grooves are four.

4. A nut assembly with an extended anti-loosening structure as defined in claim 1, wherein: the outer diameter of the extension tube is smaller than that of the nut body.