CN211288404U

CN211288404U - Nut

Info

Publication number: CN211288404U
Application number: CN202020053059.8U
Authority: CN
Inventors: 钟顺超
Original assignee: Individual
Current assignee: Jining Senkang Machinery Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-08-18
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a nut relates to nut technical field, including first nut, the inside of first nut is fixed with the second nut, and the inboard of first nut and second nut all be provided with first hole, the inner wall of first hole is provided with first internal thread, and the internal thread connection of first internal thread has the bolt, first internal thread top and bottom all are provided with first logical groove, and wherein a set of the bottom of first logical groove is provided with first recess. The utility model discloses a mode that first nut and second nut combined makes first nut and second nut and bolt fastening, through the double-screw bolt with mutually supporting in first card hole and first logical groove, under mutually supporting in screw and second card hole, makes screw and second internal thread fastening, carries out the secondary to first nut and second nut and bolt and fixes to make bolt fastening's effect better.

Description

Nut

Technical Field

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

Background

The nut is a nut and is matched with a bolt or a screw rod for use, the bolt or the screw rod is a long rod type part with the nut and can play a role in fastening after being screwed together, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and the like according to different materials.

The existing nut and bolt are connected through the internal thread of the nut and the external thread of the bolt, so that the nut is easy to slip and cannot be well fixed, and the existing nut is complex in structure and troublesome to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing nut and bolt are connected through the internal thread of the nut and the external thread of the bolt, the screw thread is easy to slip, the nut falls off, the nut cannot be well fixed, the existing nut is complex in structure, and the nut is troublesome to use, and the nut is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut, includes first nut, the inside of first nut is fixed with the second nut, and the inboard of first nut and second nut all be provided with first hole, the inner wall of first hole is provided with first internal thread, and first internal thread's inside threaded connection has the bolt, first internal thread top and bottom all are provided with first logical groove, and wherein a set of the bottom of first logical groove is provided with first recess, and one of them is a set of the both sides of first logical groove are provided with second hole and second logical groove respectively, and the both sides of second logical groove all are provided with the second recess, the inboard of second hole is provided with the second internal thread.

Preferably, studs matched with the first through grooves are arranged below the first nut and the second nut.

Preferably, the inner sides of the studs are provided with second clamping holes matched with the second internal threads.

Preferably, both sides of first nut all are provided with the screw that mutually supports with the second internal thread, the double-screw bolt passes through mutually supporting of screw and second internal thread down with first nut and second nut detachable connection.

Preferably, the surface of bolt evenly is provided with the first card hole of multiunit, and first card hole and the mutual corresponding cooperation in first logical groove.

Preferably, the diameters of the two sets of first holes are the same.

Preferably, the first and second nuts form a cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a mode that first nut and second nut combined makes first nut and second nut and bolt fastening, through the double-screw bolt with mutually supporting in first card hole and first logical groove, under mutually supporting in screw and second card hole, makes screw and second internal thread fastening, carries out the secondary to first nut and second nut and bolt and fixes to make bolt fastening's effect better.

Drawings

Fig. 1 is a schematic structural view of a first nut and a second nut of the present invention;

fig. 2 is a schematic structural view of the bolt of the present invention;

fig. 3 is an exploded view of the first nut and the second nut of the present invention.

In the figure: 1. a first nut; 2. a second nut; 3. a first hole; 4. a first internal thread; 5. a bolt; 6. a first card hole; 7. a first through groove; 8. a first groove; 9. a second hole; 10. a second through groove; 11. a second groove; 12. a stud; 13. a screw; 14. a second card hole; 15. a second internal thread.

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, a nut includes a first nut 1, a second nut 2 is fixed inside the first nut 1, first holes 3 are formed on inner sides of the first nut 1 and the second nut 2, first internal threads 4 are formed on an inner wall of each first hole 3, bolts 5 are connected to internal threads of the first internal threads 4, first through grooves 7 are formed in tops and bottoms of the first internal threads 4, first grooves 8 are formed in bottoms of a group of the first through grooves 7, second holes 9 and second through grooves 10 are formed in two sides of the group of the first through grooves 7, second grooves 11 are formed in two sides of the second through grooves 10, and second internal threads 15 are formed on inner sides of the second holes 9.

In the embodiment, the first nut 1 and the second nut 2 are connected through the first internal thread 4 and the bolt 5 through the first thread, the screw 13 is inserted into the stud 12 through the second internal thread 15, and the structural stability is improved through the second thread connection of the screw 13 and the second internal thread 15.

Please refer to fig. 1 and 2, the first nut 1 and the second nut 2 are both provided with studs 12 under the first through groove 7, so that the studs 12 can be inserted into the first through groove 7 for easy re-fixing.

Referring to fig. 2, the inner side of the stud 12 is provided with a second locking hole 14 which is matched with a second internal thread 15, so as to further match and fix the bolt 5 and the stud 12.

Please refer to fig. 2, both sides of the first nut 1 are provided with screws 13 cooperating with the second internal threads 15, the stud 12 is detachably connected with the first nut 1 and the second nut 2 by the cooperation of the screws 13 and the second internal threads 15, so that the stud 12 is fixed by the screws 13, and the screws 13 are fixed with the second internal threads 15, thereby enhancing the fixing effect of the first nut 1 and the second nut 2 with the bolt 5.

Please refer to fig. 2, a plurality of sets of first fastening holes 6 are uniformly formed on the surface of the bolt 5, and the first fastening holes 6 and the first through grooves 7 are correspondingly matched with each other, so as to facilitate the penetration of the stud 12 and fix the bolt 5 again.

Please refer to fig. 1 and 2, the diameters of the two sets of first holes 3 are the same, so as to facilitate the rotation operation of the first nut 1 and the second nut 2.

Please refer to fig. 1, 2 and 3, the first nut 1 and the second nut 2 form a cavity, so that the first nut 1 and the second nut 2 are respectively connected with the bolt 5 by screw threads, thereby increasing the fixing effect.

The working principle is as follows: the first nut 1 is screwed to the bolt 5 in a rotating manner, the second nut 2 is firstly contacted with the bolt 5, the first internal thread 4 on the surface of the second nut 2 is contacted with the thread on the surface of the bolt 5 to rotate, then the first internal thread 4 on the surface of the first nut 1 is contacted with the thread on the surface of the bolt 5 to rotate, the first nut 1 and the second nut 2 fix the bolt 5 for one time until the second nut 2 reaches the fixed position, the first through groove 7 on the surfaces of the first nut 1 and the second nut 2 is aligned with the first clamping hole 6, then the stud 12 is inserted into the first card hole 6 and the first through slot 7, then the screw 13 is inserted into the second through slot 10, the second card hole 14 and the second hole 9, in a rotating mode, the screw 13 is enabled to be in contact with the second internal thread 15 in the second hole 9 to rotate, so that the screw 13 is fixed with the second internal thread 15, and the fixing effect of the bolt 5 is better.

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.

Claims

1. A nut comprising a first nut (1), characterized in that: the inside of first nut (1) is fixed with second nut (2), and the inboard of first nut (1) and second nut (2) all be provided with first hole (3), the inner wall of first hole (3) is provided with first internal thread (4), and the internal thread of first internal thread (4) is connected with bolt (5), the top and the bottom of first internal thread (4) all are provided with first logical groove (7), and wherein a set of the bottom that first logical groove (7) was provided with first recess (8), one of them is a set of the both sides that first logical groove (7) were provided with second hole (9) and second respectively and lead to groove (10), and the both sides that the groove (10) were led to the second all are provided with second recess (11), the inboard of second hole (9) is provided with second internal thread (15).

2. A nut as defined in claim 1, wherein: studs (12) matched with the first through grooves (7) are arranged below the first nuts (1) and the second nuts (2).

3. A nut as defined in claim 2, wherein: and the inner sides of the studs (12) are provided with second clamping holes (14) matched with second internal threads (15).

4. A nut as defined in claim 2, wherein: both sides of first nut (1) all are provided with screw (13) mutually supporting with second internal thread (15), stud (12) through screw (13) and second internal thread (15) mutually support down can dismantle with first nut (1) and second nut (2) and be connected.

5. A nut as defined in claim 1, wherein: the surface of the bolt (5) is uniformly provided with a plurality of groups of first clamping holes (6), and the first clamping holes (6) are correspondingly matched with the first through grooves (7).

6. A nut as defined in claim 1, wherein: the diameters of the two groups of first holes (3) are the same.

7. A nut as defined in claim 1, wherein: the first nut (1) and the second nut (2) form a cavity.