CN210978141U

CN210978141U - Anti-loose nut

Info

Publication number: CN210978141U
Application number: CN201921399577.9U
Authority: CN
Inventors: 何裕深
Original assignee: Foshan Yutong Hardware Products Co ltd
Current assignee: Foshan Yutong Hardware Products Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-07-10
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a locknut, including first half and second half, be provided with the ring flange below the second half, first half, second half and ring flange surface are the zinc-plating setting, be provided with the perforation on the ring flange, second half and ring flange formula one piece set up, the ring flange bottom surface is provided with anti-skidding line, the lower terminal surface of first half and the up end of second half are the syntropy that pairs with same tapering inclined plane, all be provided with the screw on first half and the second half, the screw is linked together with the perforation, all be provided with the bulge on first half and the second half, first half and second half all are rather than bulge fixed connection on one's own, be provided with the temporary connection layer between first half and the second half, the inclined plane of first half and the inclined plane of second half are connected through the temporary connection layer; the locknut has good fastening performance and is easy to process.

Description

Anti-loose nut

Technical Field

The utility model relates to a locknut.

Background

The locknut is widely applied in recent years due to good fastening performance, wherein the locknut which is used most comprises an upper nut and a lower nut, one of the locknuts except a screw hole is provided with a conical head, the other locknut is provided with a conical hole, and the conical head and the conical hole are eccentrically arranged; when the screw is used, the conical head is matched with the conical hole to generate radial extrusion force, so that the screw is deformed and locked, and looseness is avoided; however, the structure increases the processing difficulty due to the conical head, the conical hole and the eccentricity, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a check nut that fastening nature is good and easily processing.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a locknut, includes first half and second half, be provided with the ring flange below the second half, first half, second half and ring flange surface are the zinc-plating setting, be provided with the perforation on the ring flange, second half and ring flange formula as an organic whole set up, the ring flange bottom surface is provided with anti-skidding line, the lower terminal surface of first half and second half's up end are for mating syntropy and with tapered inclined plane, all be provided with the screw on first half and the second half, the screw is linked together with the perforation, all be provided with the bulge on first half and the second half, first half and second half all with the bulge fixed connection on its self, be provided with the temporary connection layer between first half and the second half, the inclined plane of first half and second half's inclined plane are connected through the temporary connection layer.

Preferably, the protruding parts of the upper half part and the lower half part are respectively provided with more than one, the protruding parts of the upper half part and the lower half part are distributed in an annular array, and the protruding parts are uniformly distributed, so that a larger friction force can be formed between the upper half part and the lower half part and the wrench, and the upper half part and the lower half part can be screwed more easily.

Preferably, the first marking groove and the second marking groove are respectively formed in the upper half part and the lower half part, the first marking groove is located right above the second marking groove, the first marking groove and the second marking groove are arranged, the upper half part can be conveniently observed at an independent rotating angle, the situations of looseness and tightness are prevented, and a user can conveniently master the working condition.

Preferably, the temporary connecting layer is a double-sided adhesive layer, and is simple in structure and good in connection stability.

Preferably, the temporary connecting layer is a wax layer, the upper half part and the lower half part are connected by using wax, and the connecting structure is simple.

Preferably, all be provided with the recess on the inclined plane of first half and the inclined plane of second half, through being provided with the recess, wax can enter into the recess for wax layer and first half and the connection area between the second half increase, promote the stability of connecting.

When the screw is used, the upper half part and the lower half part are broken off, then the lower half part is screwed into the screw to be fixed, and then the upper half part is screwed in, so that the upper half part is subjected to the reaction force of the lower half part, radial extrusion force is generated, the screw is deformed, and the upper half part and the lower half part are locked.

And simultaneously screwing the upper half part and the lower half part, and finally screwing the upper half part alone to disconnect the temporary connecting layer and enable the upper half part to be subjected to the reaction force of the lower half part to generate radial extrusion force.

The utility model has the advantages that: compared with the traditional structure which generates radial extrusion force by matching the conical head with the conical hole, the structure of the inclined plane is adopted, when the lowest point of the inclined plane of the upper half part and the lowest point of the inclined plane of the lower half part are positioned at the same position, no reaction force is generated, but when the lowest point of the inclined plane of the upper half part and the lowest point of the inclined plane of the lower half part are not positioned at the same position, the upper half part is subjected to the reaction force of the lower half part to generate radial extrusion force, so that the screw rod is deformed, the upper half part and the lower half part are locked and are prevented from loosening, thereby realizing self-locking, and the manufacturing difficulty of the inclined plane is compared with the manufacturing difficulty of the conical head and the conical hole, the manufacturing is easy and convenient to process, in addition, more than one convex part is arranged on each of the upper half part and the lower half part, the convex parts on each of the upper half part and the lower half part are distributed in an annular, making it easier to screw the upper and lower halves. First mark groove and second mark groove are provided with respectively on first half and the second, and first mark groove is located the second mark groove directly over, through being provided with first mark groove and second mark groove, is convenient for observe first independent pivoted angle, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the utility model relates to a locknut.

Fig. 2 is a sectional view of the locknut of the present invention.

Fig. 3 is a schematic view of a local structure of the locknut of the present invention.

In the figure:

1. the upper half; 2. a lower half; 3. a flange plate; 4. perforating; 5. a screw hole; 6. a projection; 7. a connecting layer; 8. a first marking groove; 9. a second marker groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a conventional manner such as bolt fixing, pin shaft connecting, adhesive fixing, or rivet fixing, which is commonly used in the prior art, and therefore, the detailed description thereof will not be provided in the examples.

Example 1

As shown in fig. 1-3, a locknut comprises an upper half 1 and a lower half 2, a flange 3 is arranged below the lower half 2, the outer surfaces of the upper half 1, the lower half 2 and the flange 3 are galvanized, a through hole 4 is arranged on the flange 3, the lower half 2 and the flange 3 are arranged in an integrated manner, anti-skid grains (not shown) are arranged on the bottom surface of the flange 3, the lower end surface of the upper half 1 and the upper end surface of the lower half 2 are inclined surfaces which are matched in the same direction and same taper, screw holes 5 are arranged on the upper half 1 and the lower half 2, the screw holes 5 are communicated with the through hole 4, a convex part 6 is arranged on the upper half 1 and the lower half 2, the upper half 1 and the lower half 2 are fixedly connected with the convex part on the upper half 1 and the lower half 2, a temporary connecting layer 7 is arranged between the upper half 1 and the lower half 2, the bevel of the upper half 1 and the bevel of the lower half 2 are connected by a temporary connection layer.

The beneficial effect of this embodiment does: compare with the traditional structure that produces radial extrusion force through conical head and taper hole cooperation, the structure on inclined plane has been adopted, do not produce reaction force when the minimum on first half inclined plane and the minimum on second half inclined plane are located the same position, but the minimum on first half inclined plane and the minimum on second half inclined plane are not when the same position, first half receives the reaction force on second half, produce radial extrusion force, make the screw rod warp, first half and second half are locked, avoid becoming flexible, thereby realize the auto-lock, and the preparation degree of difficulty on inclined plane and the preparation degree of difficulty of conical head and taper hole compare, the preparation is easy, and convenient to process.

Example 2

First half 1 and second half 2 its bulge on separately all is provided with more than one, first half 1 and second half 2 its bulge on separately all is annular array and distributes, through being provided with the even bulge that distributes, can and the spanner between form great frictional force for it moves first half 1 and second half 2 to change.

First mark groove 8 and second mark groove 9 are provided with respectively on first half 1 and the second half 2, first mark groove 8 is located second mark groove 9 directly over, through being provided with first mark groove 8 and second mark groove 9, is convenient for observe first independent pivoted angle, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode.

The temporary connecting layer 7 is a double-sided adhesive layer, and is simple in structure and good in connection stability.

The temporary connecting layer 7 is a wax layer, the connection of the upper half part 1 and the lower half part 2 is realized by adopting wax, and the connecting structure is simple.

All be provided with recess (not shown) on the inclined plane of first half 1 and the inclined plane of second half 2, through being provided with the recess, wax can enter into the recess for the wax layer increases with the area of being connected between first half 1 and second half 2, promotes the stability of connecting.

The upper half 1, the lower half 2 and the flange 3 are all brass.

The beneficial effect of this embodiment does: compared with the traditional structure which generates radial extrusion force by matching the conical head with the conical hole, the structure of the inclined plane is adopted, when the lowest point of the inclined plane of the upper half part and the lowest point of the inclined plane of the lower half part are positioned at the same position, no reaction force is generated, but when the lowest point of the inclined plane of the upper half part and the lowest point of the inclined plane of the lower half part are not positioned at the same position, the upper half part is subjected to the reaction force of the lower half part to generate radial extrusion force, so that the screw rod is deformed, the upper half part and the lower half part are locked and are prevented from loosening, thereby realizing self-locking, and the manufacturing difficulty of the inclined plane is compared with the manufacturing difficulty of the conical head and the conical hole, the manufacturing is easy and convenient to process, in addition, more than one convex part is arranged on each of the upper half part and the lower half part, the convex parts on each of the upper half part and the lower half part are distributed in an annular, making it easier to screw the upper and lower halves. First mark groove and second mark groove are provided with respectively on first half and the second, and first mark groove is located the second mark groove directly over, through being provided with first mark groove and second mark groove, is convenient for observe first independent pivoted angle, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.

Claims

1. A locknut is characterized in that: including first half and second half, be provided with the ring flange below the second half, first half, second half and ring flange surface are the zinc-plated setting, be provided with the perforation on the ring flange, second half and ring flange formula as an organic whole set up, the ring flange bottom surface is provided with anti-skidding line, the lower terminal surface of first half and the up end of second half are for mating syntropy and with tapered inclined plane, all be provided with the screw on first half and the second half, the screw is linked together with the perforation, all be provided with the bulge on first half and the second half, first half and second half all rather than the bulge fixed connection on oneself, be provided with the temporary connection layer between first half and the second half, the inclined plane of first half and the inclined plane of second half are connected through the temporary connection layer.

2. The locknut of claim 1, wherein: the protruding portion of first half and second half on it respectively all is provided with more than one, first half and second half on its protruding portion on respectively all is the annular array and distributes.

3. The locknut of claim 2, wherein: the upper half part and the lower half part are respectively provided with a first marking groove and a second marking groove, and the first marking groove is positioned right above the second marking groove.

4. A locknut as claimed in claim 3, wherein: the temporary connecting layer is a double-sided adhesive layer.

5. The locknut of claim 4, wherein: the temporary connecting layer is a wax layer.

6. The locknut of claim 5, wherein: grooves are formed in the inclined plane of the upper half part and the inclined plane of the lower half part.