CN214533968U

CN214533968U - Anti-loose fastener

Info

Publication number: CN214533968U
Application number: CN202120758611.8U
Authority: CN
Inventors: 王一青; 洪小根
Original assignee: Lin'an Hongda Standard Parts Co ltd
Current assignee: Lin'an Hongda Standard Parts Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-10-29
Anticipated expiration: 2031-04-14

Abstract

The utility model relates to the technical field of fasteners, and discloses a locking fastener, which comprises a bolt, a nut and a limiting rod; a nut is rotatably arranged on the bolt, a clamping groove is formed in the outer side of the nut in a surrounding mode, and a limiting groove is formed in the middle of the inner side of the bolt; the utility model discloses a spacing pole, including gag lever post, pivot, movable groove, the pivot movable mounting has the movable block through pivot movable mounting in the movable groove. The utility model discloses a gag lever post transversely inserts the spacing inslot, and go into the draw-in groove with the buckle card, the gag lever post can carry on spacingly to the nut this moment, can effectively avoid the nut to be located the bolt and rotate, thereby play locking effect, and can make movable block and elastic plate carry out the rotation of certain range through the pivot, thereby ensure the installation of gag lever post when nut and spacing groove do not align, the installation when guaranteeing the rotatory optional position of putting of nut, this fastener is locking effectual, and simple structure, the dismouting is convenient.

Description

Anti-loose fastener

Technical Field

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

Background

The existing fastener is also called as a standard part in the market, is a general name of a type of mechanical parts used when two or more parts are fastened and connected into a whole, and is characterized by various varieties and specifications, different performance and purposes, extremely high standardization, serialization and universalization degrees, but the existing anti-loosening fastener has some defects, such as defects;

the utility model provides a make things convenient for check bolt fastener of dismouting that bulletin number is (CN107366674A), this check bolt fastener adopt fastening screw to carry out the chucking to fastening nut fixed, then effectively prevent fastening in-process nut not hard up, and overall structure is simple, convenient operation, and the practicality is high, but this fastener still has following not enough:

this fastener uses the screw to support tight bolt and accomplish fixedly, but fixed effect is not ideal, still probably appears becoming flexible because of skidding after long-time, can cause the indentation to the screw thread of bolt outer wall after the installation simultaneously for the bolt after the dismantlement is probably unable normal use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking fastener has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a locking fastener comprises a bolt, a nut and a limiting rod;

a nut is rotatably arranged on the bolt, a clamping groove is formed in the outer side of the nut in a surrounding mode, and a limiting groove is formed in the middle of the inner side of the bolt;

two ends of the limiting rod are provided with movable grooves, rotating shafts are vertically arranged in the movable grooves, movable blocks are movably arranged in the movable grooves through the rotating shafts, elastic plates are arranged on the outer sides of the movable blocks, and buckles are arranged on the inner sides of the tops of the elastic plates;

the buckle is clamped in the clamping groove, and the limiting rod is arranged in the limiting groove.

As a preferred embodiment of the present invention, the elastic plate is embedded with a metal elastic sheet.

As a preferred embodiment of the present invention, the bolt head is installed on the top of the bolt.

As a preferred embodiment of the present invention, the anti-slip pad a is installed at the bottom of the bolt head.

As a preferred embodiment of the present invention, the nut has a non-slip pad B mounted on the top thereof.

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

the utility model relates to a locking fastener, transversely insert the spacing inslot through the gag lever post, and go into the draw-in groove with the buckle card, the gag lever post can carry on spacingly to the nut this moment, can effectively avoid the nut to be located the bolt and rotate, thereby play locking effect, and can make movable block and elastic plate carry out the rotation of certain range through the pivot, thereby ensure the installation of gag lever post when nut and spacing groove do not align, ensure the installation when the rotatory optional position of putting of nut, this fastener is locking effectual, and simple structure, the dismouting is convenient, the practicality is greatly improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a locking fastener of the present invention;

fig. 2 is a right side view structural diagram of the stop lever and the elastic plate of the anti-loosening fastener of the present invention.

In the figure: 1. a bolt; 2. a nut; 3. a limiting rod; 4. an elastic plate; 5. a card slot; 6. a limiting groove; 7. a bolt head; 8. an anti-skid pad A; 9. an anti-slip pad B; 10. a movable groove; 11. a rotating shaft; 12. a movable block; 13. buckling; 14. a metal elastic sheet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific shape or simplified description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a locking fastener comprises a bolt 1, a nut 2 and a limiting rod 3;

a nut 2 is rotatably mounted on the bolt 1, a clamping groove 5 is formed around the outer side of the nut 2, and a limiting groove 6 is formed in the middle of the inner side of the bolt 1;

two ends of the limiting rod 3 are provided with movable grooves 10, a rotating shaft 11 is vertically arranged in each movable groove 10, a movable block 12 is movably arranged in each movable groove 10 through the rotating shaft 11, an elastic plate 4 is arranged on the outer side of each movable block 12, and a buckle 13 is arranged on the inner side of the top of each elastic plate 4;

the buckle 13 is clamped in the clamping groove 5, and the limiting rod 3 is arranged in the limiting groove 6.

In this embodiment (please refer to fig. 1 and 2), transversely insert the spacing groove 6 through the gag lever post 3, and go into draw-in groove 5 with buckle 13 card, gag lever post 3 can carry on spacingly to nut 2 this moment, can effectively avoid nut 2 to be located the bolt 1 and rotate, thereby play locking effect, and can make movable block 12 and elastic plate 4 carry out the rotation of certain range through pivot 11, thereby guarantee the installation of gag lever post 3 when nut 2 and spacing groove 6 are misaligned, guarantee the installation when nut 2 is put the optional position in the rotation, this locking fastener is effectual, and simple structure, the dismouting is convenient, the practicality is greatly improved.

In this embodiment (please refer to fig. 2), the metal elastic sheet 14 is embedded in the elastic plate 4, and the elasticity of the elastic plate 4 can be improved by the metal elastic sheet 14, so as to avoid the situation that the elastic plate 4 cannot be restored after being deformed.

In this embodiment (see fig. 1), a bolt head 7 is installed at the top of the bolt 1, and the bolt head 7 and the nut 2 are matched with each other to realize clamping and fixing.

In this embodiment (see fig. 1), the bottom of the bolt head 7 is provided with a non-slip pad A8, and the non-slip pad A8 can ensure the friction force when the bolt head 7 contacts with the workpiece, thereby achieving the loosening effect.

In this embodiment (please refer to fig. 1), the top of the nut 2 is installed with a non-slip pad B9, and the non-slip pad B9 can increase the friction force when the nut 2 contacts with a workpiece, so as to avoid loosening.

The utility model relates to a locking fastener, which comprises a bolt 1; 2. a nut; 3. a limiting rod; 4. an elastic plate; 5. a card slot; 6. a limiting groove; 7. a bolt head; 8. an anti-skid pad A; 9. an anti-slip pad B; 10. a movable groove; 11. a rotating shaft; 12. a movable block; 13. buckling; 14. when the fastener is used, firstly the bolt 1 is inserted into the part to be connected, then the nut 2 is positioned on the bolt 1 to rotate so as to complete clamping and fixing, then the limiting rod 3 is transversely inserted into the limiting groove 6, and the buckle 13 is clamped into the clamping groove 5, at the moment, the limiting rod 3 can limit the nut 2, the nut 2 can be effectively prevented from rotating on the bolt 1, so that the anti-loosening effect is achieved, the movable block 12 and the elastic plate 4 can rotate to a certain extent through the rotating shaft 11, so that the installation of the limiting rod 3 is ensured when the nut 2 is not aligned with the limiting groove 6, the installation of the nut 2 when the nut 2 is rotated to any position is ensured, and the anti-loosening effect of the fastener is good, and simple structure, dismouting are convenient, improve the practicality greatly, and can improve the elasticity of elastic plate 4 through metal flexure strip 14, avoid the unable circumstances that recovers after the elastic plate 4 deformation, can ensure the frictional force when bolt head 7 and work piece contact through slipmat A8, play and relax the effect, can improve the frictional force when nut 2 and work piece contact through slipmat B9, avoid becoming flexible.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The anti-loose fastener is characterized by comprising a bolt (1), a nut (2) and a limiting rod (3);

a nut (2) is rotatably mounted on the bolt (1), a clamping groove (5) is formed in the outer side of the nut (2) in a surrounding mode, and a limiting groove (6) is formed in the middle of the inner side of the bolt (1);

two ends of the limiting rod (3) are provided with movable grooves (10), a rotating shaft (11) is vertically arranged in each movable groove (10), a movable block (12) is movably arranged in each movable groove (10) through the rotating shaft (11), an elastic plate (4) is arranged on the outer side of each movable block (12), and a buckle (13) is arranged on the inner side of the top of each elastic plate (4);

the buckle (13) is clamped in the clamping groove (5), and the limiting rod (3) is arranged in the limiting groove (6).

2. A loose-proof fastener as defined in claim 1, wherein: and a metal elastic sheet (14) is embedded in the elastic plate (4).

3. A loose-proof fastener as defined in claim 1, wherein: the top of the bolt (1) is provided with a bolt head (7).

4. A loose-proof fastener as claimed in claim 3, wherein: and the bottom of the bolt head (7) is provided with an anti-skid pad A (8).

5. A loose-proof fastener as defined in claim 1, wherein: and the top of the nut (2) is provided with an anti-skid pad B (9).