CN217055897U

CN217055897U - Anti-loosening structure

Info

Publication number: CN217055897U
Application number: CN202220615023.3U
Authority: CN
Inventors: 胡军锋; 史增乐; 侯维娟
Original assignee: Xianyang Juli Petroleum Machineries Manufacture Co ltd
Current assignee: Xianyang Juli Petroleum Machineries Manufacture Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-26
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to a nut technical field specifically is a locking structure, include: the outer ring surface of the mounting groove is provided with a through hole; the brake pin is inserted into the through hole, and one end of the brake pin is provided with a push plate; the elastic sheet is arranged between the mounting groove and the push plate; the beneficial effects are that: the utility model provides a locking structure treats fastening nut body and screw rod locking back, pushes away the push pedal top to the mounting groove through promoting the lifting ring in, and the centrum of backing pin tip is supported on the surface of screw rod this moment, avoids the fastening nut body from the screw rod surface pine to fall.

Description

Anti-loosening structure

Technical Field

The utility model relates to a nut technical field specifically is a locking structure.

Background

Nuts are nuts, which are screwed together with bolts or screws for fastening, and all elements necessary for manufacturing machines.

In the prior art, when the screw rod is matched with the nut for locking, the gasket is usually additionally arranged in the front of the locking direction of the nut, so that the anti-loosening effect of the nut is improved.

However, in the conventional nut, after the internal thread is abraded due to repeated screwing operation, the screwing part of the nut and the screw rod is easy to loosen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking structure to solve traditional nut that proposes in the above-mentioned background art because relapse the spiro union operation lead to inside screw thread wearing and tearing back, the problem of not hard up phenomenon easily appears in the spiro union department of nut and screw rod.

In order to achieve the above object, the utility model provides a following technical scheme: a loosening prevention structure, comprising:

the outer ring surface of the mounting groove is provided with a through hole;

the brake pin is inserted into the through hole, and one end of the brake pin is provided with a push plate; and

the elastic sheet is arranged between the mounting groove and the push plate.

Preferably, the size of the notch of the mounting groove is larger than the size of the opening of the through hole.

Preferably, the other end of the brake pin is integrally formed with a prick.

Preferably, one surface of the push plate facing the outer side of the mounting groove is provided with an inclined surface.

Preferably, the elastic pieces are provided with two groups, and the two groups of elastic pieces are symmetrically distributed around the brake pin.

The fastening nut comprises a fastening nut body, wherein the surface of the fastening nut body is provided with a plurality of mounting grooves, the mounting grooves are distributed along the outer annular surface of the fastening nut body in an arrayed manner, and a through hole penetrates through the inner annular surface of the fastening nut body

Preferably, the outside cover of fastening nut body is equipped with the lift ring, and the interior anchor ring of lift ring is provided with two damping rings, and the outer anchor ring of lift ring has seted up the side groove, and the side groove is annular cell body.

Preferably, the outer side of the fastening nut body is sleeved with two retaining rings, the inner annular surface of each retaining ring is fixed to the outer annular surface of the fastening nut body, and the lifting ring is located between the two retaining rings.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a locking structure treats fastening nut body and screw rod locking back, pushes away the push pedal top through promoting the lift ring and pushes away to the mounting groove in, and the centrum of break pin tip is supported on the surface of screw rod this moment, avoids fastening nut body from the screw rod surface pine to fall.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the device comprises a mounting groove 1, a through hole 2, a brake pin 3, a push plate 4, an elastic sheet 5, a fastening nut body 6, a lifting ring 7, a damping ring 8, an edge groove 9 and a baffle ring 10.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of certain embodiments of the invention and are not to be construed as limiting the scope of the invention, which is defined by the appended claims.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 2, the present invention provides a technical solution: a loosening prevention structure, comprising: the mounting groove comprises a mounting groove 1, wherein a through hole 2 is formed in the outer ring surface of the mounting groove 1, and the size of a notch of the mounting groove 1 is larger than that of an opening of the through hole 2; the brake pin 3 is inserted into the through hole 2, and one end of the brake pin 3 is provided with a push plate 4; the other end of the brake pin 3 is integrally formed with a prick, and one surface of the push plate 4 facing the outer side of the mounting groove 1 is provided with an inclined surface; the elastic pieces 5 are arranged between the mounting groove 1 and the push plate 4, two groups of elastic pieces 5 are arranged, and the two groups of elastic pieces 5 are symmetrically distributed around the brake pin 3.

A fastening nut comprises a fastening nut body 6, wherein the surface of the fastening nut body 6 is provided with a plurality of mounting grooves 1, the mounting grooves 1 are distributed along the outer annular surface of the fastening nut body 6 in an arrayed manner, and a through hole 2 penetrates through the inner annular surface of the fastening nut body 6; the outer side of the fastening nut body 6 is sleeved with a lifting ring 7, the inner ring surface of the lifting ring 7 is provided with two damping rings 8, the outer ring surface of the lifting ring 7 is provided with a side groove 9, and the side groove 9 is an annular groove body; the outer side of the fastening nut body 6 is sleeved with two retaining rings 10, the inner annular surface of each retaining ring 10 is fixed on the outer annular surface of the fastening nut body 6, and the lifting ring 7 is located between the two retaining rings 10.

The working principle is as follows: during the in-service use, as shown in fig. 1 and fig. 2, after the fastening nut body 6 is locked with the screw rod, push plate 4 is pushed to the mounting groove 1 through pushing the lifting ring 7, the cone at the end of the brake pin 3 is supported on the surface of the screw rod at the moment, the fastening nut body 6 is prevented from loosening from the surface of the screw rod, the elastic sheet 5 at the moment is pressed and bent, the damping ring 8 is clamped between the lifting ring 7 and the fastening nut body 6, the lifting ring 7 is prevented from sliding randomly, when the fastening nut body 6 needs to be removed, the lifting ring 7 is pulled upwards, when the lifting ring 7 does not shield the push plate 4 any more, the elastic sheet 5 rebounds to push the push plate 4 outwards for a certain distance, the prick at the end of the brake pin 3 is retracted into the through hole 2, and then the fastening nut body 6 can be loosened by means of a wrench.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a locking structure which characterized in that: the anti-loosening structure comprises:

the outer ring surface of the mounting groove (1) is provided with a through hole (2);

the brake pin (3) is inserted into the through hole (2), and one end of the brake pin (3) is provided with a push plate (4); and

the elastic piece (5) is arranged between the mounting groove (1) and the push plate (4).

2. A loosening prevention structure as defined in claim 1, wherein: the size of the notch of the mounting groove (1) is larger than the size of the opening of the through hole (2).

3. A loosening prevention structure as defined in claim 2, wherein: the other end of the brake pin (3) is integrally formed with a prick.

4. A loosening prevention structure as defined in claim 3, wherein: and an inclined plane is arranged on one surface of the push plate (4) facing the outer side of the mounting groove (1).

5. An anti-loosening structure as defined in claim 4, wherein: the two groups of spring plates (5) are arranged, and the two groups of spring plates (5) are symmetrically distributed around the brake pin (3).