CN214092674U

CN214092674U - Improved loosening nut

Info

Publication number: CN214092674U
Application number: CN202023131381.7U
Authority: CN
Inventors: 杜瑞财
Original assignee: Shanghai Dingfeng Standard Parts Co ltd
Current assignee: Shanghai Dingfeng Standard Parts Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-31
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a nut is loosened to improved generation, including first nut and second nut, be provided with first screw thread on the wall that link up of first nut, first screw thread cooperatees with the bolt, is provided with the second screw thread on the outer wall of first nut, is provided with spacing hole on the end swivel nut of second nut, is provided with the third screw thread on the spacing hole inner wall, and the second screw thread cooperatees with the third screw thread, and top swivel nut middle part is provided with the perforating hole, and the perforating hole runs through end swivel nut, is provided with the fourth screw thread on the link up hole inner wall, and the fourth screw thread cooperatees with the bolt. The utility model discloses because of it can be very big reduction nut and bolted connection after produce not hard up, guarantee the firm advantage of nut and bolted connection, so great spreading value has.

Description

Improved loosening nut

Technical Field

The utility model relates to a hardware technical field, specific improved generation loosens and moves nut that says so.

Background

The nut is a part screwed together with the bolt or the screw for fastening. After the nut and the bolt in the prior art are connected, the nut is easy to loose or even fall off due to the vibration, so that mechanical equipment can not normally operate and even accidents are easily caused.

Disclosure of Invention

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a very big reduction nut produces not hard up after bolted connection, guarantees that nut and the firm improved generation of bolted connection loosen and move the nut.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: an improved loosening nut comprises a first nut and a second nut, wherein the middle of the first nut is communicated, a first thread is arranged on the through wall of the first nut and matched with a bolt, and a second thread is arranged on the outer wall of the first nut;

the second nut comprises a bottom threaded sleeve and a top threaded sleeve fixedly connected with the bottom threaded sleeve, a limiting hole is formed in the bottom threaded sleeve, third threads are arranged on the inner wall of the limiting hole, the first nut can be embedded into the limiting hole, and the second threads are matched with the third threads;

the top thread sleeve is provided with a through hole in the middle, the through hole penetrates through the bottom thread sleeve, a fourth thread is arranged on the inner wall of the through hole, the fourth thread is matched with the bolt, and the screwing direction of the first nut and the bolt, the screwing direction of the second thread and the third thread, and the screwing direction of the third thread and the bolt are the same.

The bottom thread insert and the top thread insert are arranged in an integrated structure.

The outer wall of the top turnbuckle is of a hexagonal prism structure.

And a plurality of groups of grinding balls are arranged on the bottom surface of the first nut.

And a sealing cap is embedded at the top of the through hole.

The screwing direction of the first nut and the bolt, the screwing direction of the second thread and the third thread, and the screwing direction of the third thread and the bolt adopt a clockwise direction.

And the outer walls of the first nut and the second nut are both provided with anti-rust layers.

The utility model has the advantages that: this nut is provided with first nut and second nut, revolves earlier through first nut and revolves soon on the bolt, later penetrates the second nut in the bolt to make top swivel nut and bolt threaded connection and constantly move down, until threaded connection between end swivel nut and the first nut, such connected mode can be very big reduction nut and bolted connection after produce not hard up, guarantee that nut and bolted connection are firm.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of another angle structure of the present invention;

fig. 3 is a schematic view of the structure of the utility model during installation.

In the figure: the grinding tool comprises a first nut 1, a second nut 2, a first thread 3, a second thread 4, a bottom thread sleeve 5, a top thread sleeve 6, a limiting hole 7, a third thread 8, a through hole 9, a fourth thread 10, a sealing cap 11, a grinding ball 12 and a bolt 13.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an improved loosening nut includes a first nut 1 and a second nut 2, the first nut 1 is through at the middle part, a first thread 3 is arranged on the through wall of the first nut 1, the first thread 3 is matched with a bolt 13, and a second thread 4 is arranged on the outer wall of the first nut 1;

the second nut 2 comprises a bottom threaded sleeve 5 and a top threaded sleeve 6 fixedly connected with the bottom threaded sleeve 5, the bottom threaded sleeve 5 and the top threaded sleeve 6 are arranged in an integrated structure to ensure that the whole body is firm, a limiting hole 7 is formed in the bottom threaded sleeve 5, third threads 8 are arranged on the inner wall of the limiting hole 7, the first nut 1 can be embedded into the limiting hole 7, and the second threads 4 are matched with the third threads 8, namely the first nut 1 can be in threaded connection with the bottom threaded sleeve 5;

the middle of the top thread insert 6 is provided with a through hole 9, the through hole 9 penetrates through the bottom thread insert 5, a fourth thread 10 is arranged on the inner wall of the through hole 9, and the fourth thread 10 is matched with the bolt 13, namely, the top thread insert 6 can be in threaded connection with the bolt 13, and the screwing directions of the first nut 1 and the bolt 13, the second thread 4 and the third thread 8 and the bolt 13 are the same, and specifically, the clockwise direction can be adopted.

Further, the outer wall of the top thread sleeve 6 is of a hexagonal prism structure, so that the second nut 2 can be rotated conveniently.

The top of the through hole 9 is embedded with a sealing cap 11, and the through hole 9 can be sealed through the sealing cap 11 so as to reduce the entering of rainwater and the damage of threads.

The bottom surface of first nut 1 is provided with multiunit ball 12, sets up through ball 12 for after the nut is rotatory to the position, increase the friction of first nut 1 and contact surface, thereby further guarantee first nut 1's stability.

All be provided with the antirust coat on the outer wall of first nut 1, second nut 2, the antirust coat accessible anti-rust paint is brushed with paint and is formed, mainly used reduces the rust corrosion of first nut 1, second nut 2.

The utility model discloses be provided with first nut 1 and second nut 2, during the use, twist earlier through first nut 1 and twist on bolt 13, target in place until twisting, later penetrate second nut 2 in bolt 13 again, and make top swivel nut 6 and bolt 13 threaded connection and constantly move down, threaded connection between swivel nut 5 and the first nut 1 at the bottom, such connected mode can be very big reduction nut and bolt 13 be connected the back and produce not hard up, guarantee that nut and bolt 13 are connected firmly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. An improved generation loosens and moves nut which characterized in that: the nut comprises a first nut (1) and a second nut (2), wherein the middle of the first nut (1) is communicated, a first thread (3) is arranged on the through wall of the first nut (1), the first thread (3) is matched with a bolt (13), and a second thread (4) is arranged on the outer wall of the first nut (1);

the second nut (2) comprises a bottom threaded sleeve (5) and a top threaded sleeve (6) fixedly connected with the bottom threaded sleeve (5), a limiting hole (7) is formed in the bottom threaded sleeve (5), third threads (8) are arranged on the inner wall of the limiting hole (7), the first nut (1) can be embedded into the limiting hole (7), and the second threads (4) are matched with the third threads (8);

top swivel nut (6) middle part is provided with perforating hole (9), perforating hole (9) run through end swivel nut (5), be provided with fourth screw thread (10) on perforating hole (9) inner wall, fourth screw thread (10) with bolt (13) cooperate, just first nut (1) with bolt (13) revolve twist the direction second screw thread (4) with the direction of revolving soon of third screw thread (8), third screw thread (8) with bolt (13) revolve twist the direction the same.

2. An improved loosening nut as claimed in claim 1, wherein: the bottom thread insert (5) and the top thread insert (6) are arranged in an integrated structure.

3. An improved loosening nut as claimed in claim 1, wherein: the outer wall of the top turnbuckle (6) is of a hexagonal prism structure.

4. An improved loosening nut as claimed in claim 1, wherein: the bottom surface of the first nut (1) is provided with a plurality of groups of grinding balls (12).

5. An improved loosening nut as claimed in claim 1, wherein: and a sealing cap (11) is embedded and installed at the top of the through hole (9).

6. An improved loosening nut as claimed in claim 1, wherein: the screwing direction of the second threads (4) and the third threads (8) and the screwing direction of the third threads (8) and the bolt (13) adopt a clockwise direction.

7. An improved loosening nut as claimed in claim 1, wherein: and the outer walls of the first nut (1) and the second nut (2) are provided with anti-rust layers.