CN111649054A

CN111649054A - Tensioning type locknut

Info

Publication number: CN111649054A
Application number: CN202010571869.7A
Authority: CN
Inventors: 褚云浩
Original assignee: Haiyan Hongmao Hardware Products Co ltd
Current assignee: Haiyan Hongmao Hardware Products Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-11

Abstract

The invention discloses a tensioning type anti-loose nut which comprises a nut main body, an auxiliary ring, first anti-loose threads and second anti-loose threads, wherein the nut main body is composed of a limiting ring, a deformation part and a threaded part which are sequentially connected from top to bottom and are coaxial, the deformation part and the threaded part are both in a circular tube shape, the outer diameters of the deformation part and the threaded part are the same, the inner diameter of the deformation part is larger than the inner diameter of the threaded part, internal threads are arranged on the inner wall of the threaded part, the inner diameter of the limiting ring is equal to the inner diameter of the deformation part, a plurality of first anti-loose threads are arranged on the lower end face of the limiting ring, an auxiliary ring is sleeved outside the deformation part, the inner diameter of the auxiliary ring is equal to the outer diameter of the. According to the invention, the first anti-loosening threads are arranged on the limiting ring, and the second anti-loosening threads are arranged on the auxiliary ring, so that the nut has a good anti-loosening effect and is not easy to rotate along with the bolt.

Description

Tensioning type locknut

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of fasteners, in particular to the technical field of locknuts.

[ background of the invention ]

The nut is a common fastener and is widely applied. The requirements for the nut are different for different applications. In some occasions, the nut is required to have a good backstop and anti-loose effect so as to ensure the effectiveness of connection. The existing nut has an unsatisfactory stopping and locking effect and cannot meet the requirement well.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides a tensioning type anti-loose nut which can enable the nut to have a good anti-loose effect.

In order to achieve the purpose, the invention provides a tensioning type anti-loose nut which comprises a nut main body, an auxiliary ring, first anti-loose threads and second anti-loose threads, wherein the nut main body is composed of a limiting ring, a deformation part and a threaded part which are sequentially connected from top to bottom and are coaxial, the deformation part and the threaded part are both in a circular tube shape, the outer diameters of the deformation part and the threaded part are the same, the inner diameter of the deformation part is larger than the inner diameter of the threaded part, internal threads are arranged on the inner wall of the threaded part, the inner diameter of the limiting ring is equal to the inner diameter of the deformation part, a plurality of first anti-loose threads are arranged on the lower end face of the limiting ring, an auxiliary ring is sleeved outside the deformation part, the inner diameter of the auxiliary ring is equal to the outer diameter.

Preferably, the first anti-loosening threads and the second anti-loosening threads have opposite anti-loosening directions.

Preferably, the outer wall of the deformation part is provided with a plurality of vertically arranged side grooves, the inner wall of the auxiliary ring is provided with a plurality of lugs which are in one-to-one correspondence with the side grooves, the lugs are embedded into the side grooves, and the auxiliary ring is provided with a crack which cuts the auxiliary ring in the radial direction.

Preferably, an elastic pad is fixed on the lower end face of the auxiliary ring, and the auxiliary ring and the elastic pad are bonded through glue.

Preferably, the length of the deformation portion is 1.2 to 3 times the difference between the inner diameter and the outer diameter of the auxiliary ring.

Preferably, the spacing ring is regular hexagonal.

Preferably, an elastic washer is fixed on the limit ring, the cross section of the elastic washer is in a transverse L shape, and the elastic washer covers the limit ring downwards.

Preferably, the limiting ring, the deformation part and the thread part are an integrated mechanism, and a fillet is arranged between the limiting ring and the deformation part.

The invention has the beneficial effects that: according to the invention, the first anti-loosening threads are arranged on the limiting ring, and the second anti-loosening threads are arranged on the auxiliary ring, so that the nut has a good anti-loosening effect and is not easy to rotate along with the bolt; the arrangement of the auxiliary ring can also effectively fix the nut, so that the nut is prevented from loosening, and the effectiveness of the nut is guaranteed.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of a tensioned locknut of the present invention;

fig. 2 is a schematic view of an auxiliary ring of the tensioned locknut of the present invention.

In the figure: 1-limiting ring, 2-deformation part, 3-thread part, 4-auxiliary ring, 10-elastic washer, 11-first anti-loose thread, 20-side groove, 30-internal thread, 40-lug, 41-second anti-loose thread, 42-elastic pad and 45-crack.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the invention relates to a tensioning type anti-loose nut, which comprises a nut main body, an auxiliary ring 4, a first anti-loose thread 11 and a second anti-loose thread 41, wherein the nut main body is composed of a limiting ring 1, a deformation part 2 and a thread part 3 which are sequentially connected from top to bottom and are coaxial, the deformation part 2 and the thread part 3 are both in a circular tube shape, the outer diameters of the deformation part 2 and the thread part 3 are the same, the inner diameter of the deformation part 2 is larger than that of the thread part 3, an internal thread 30 is arranged on the inner wall of the thread part 3, the inner diameter of the limiting ring 1 is equal to that of the deformation part 2, a plurality of first anti-loose threads 11 are arranged on the lower end surface of the limiting ring 1, the auxiliary ring 4 is sleeved outside the deformation part 2, the inner diameter of the auxiliary ring 4 is equal to that of the deformation part 2, a plurality of second anti-loose threads 41 are arranged on the upper, be equipped with the side channel 20 of a plurality of vertical settings on the outer wall of portion of warping 2, be equipped with the lug 40 of a plurality of and side channel 20 one-to-one on the inner wall of auxiliary ring 4, lug 40 imbeds in the side channel 20, is equipped with one on the auxiliary ring 4 with the radial crack 45 that cuts of auxiliary ring 4, be fixed with an elastic pad 42 on the lower terminal surface of auxiliary ring 4, bond through glue between auxiliary ring 4 and the elastic pad 42, the length of portion of warping 2 is 1.2-3 times of the difference of auxiliary ring 4 internal and external diameters, spacing ring 1 is regular hexagon, be fixed with an elastic gasket 10 on the spacing ring 1, the cross-section of elastic gasket 10 is horizontal L shape, and elastic gasket 10 is to the lower cover on spacing ring 1, portion of warping 2, screw thread portion 3 formula mechanisms as an organic whole, are equipped with the radius angle between spacing ring 1 and the portion of warping 2.

The working process of the invention is as follows:

in the working process of the tensioning type anti-loose nut, the first anti-loose threads 11 are arranged on the limiting ring 1, and the second anti-loose threads 41 are arranged on the auxiliary ring 4, so that the nut has a good anti-loose effect and is not easy to rotate along with a bolt; the setting of auxiliary ring 4 still can be effectual fixes the nut, prevents that the nut is not hard up, has guaranteed the validity of nut.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a taut locknut which characterized in that: comprises a nut main body, an auxiliary ring (4), a first anti-loosening thread (11) and a second anti-loosening thread (41), the nut main body consists of a limiting ring (1), a deformation part (2) and a thread part (3) which are sequentially connected from top to bottom and are coaxial, the deformation part (2) and the thread part (3) are both in a circular tube shape, the outer diameters of the deformation part (2) and the thread part (3) are the same, the inner diameter of the deformation part (2) is larger than that of the thread part (3), an internal thread (30) is arranged on the inner wall of the thread part (3), the inner diameter of the limiting ring (1) is equal to the inner diameter of the deformation part (2), a plurality of first anti-loosening threads (11) are arranged on the lower end surface of the limiting ring (1), the outer sleeve of deformation portion (2) has an auxiliary ring (4), and the internal diameter of auxiliary ring (4) equals the external diameter of deformation portion (2), is equipped with a plurality of second check lines (41) on the up end of auxiliary ring (4).

2. The tension type locknut as claimed in claim 1, wherein: the first anti-loosening threads (11) and the second anti-loosening threads (41) are opposite in anti-loosening direction.

3. The tension type locknut as claimed in claim 1, wherein: the outer wall of the deformation part (2) is provided with a plurality of vertically arranged side grooves (20), the inner wall of the auxiliary ring (4) is provided with a plurality of lugs (40) which are in one-to-one correspondence with the side grooves (20), the lugs (40) are embedded into the side grooves (20), and the auxiliary ring (4) is provided with a crack (45) which radially cuts off the auxiliary ring (4).

4. The tension type locknut as claimed in claim 1, wherein: an elastic pad (42) is fixed on the lower end face of the auxiliary ring (4), and the auxiliary ring (4) and the elastic pad (42) are bonded through glue.

5. The tension type locknut as claimed in claim 1, wherein: the length of the deformation part (2) is 1.2 to 3 times of the difference between the inner diameter and the outer diameter of the auxiliary ring (4).

6. The tension type locknut as claimed in claim 1, wherein: the limiting ring (1) is in a regular hexagon shape.

7. The tension type locknut as claimed in claim 1, wherein: an elastic gasket (10) is fixed on the limiting ring (1), the section of the elastic gasket (10) is in a transverse L shape, and the elastic gasket (10) covers the limiting ring (1) downwards.

8. The tension type locknut as claimed in claim 1, wherein: spacing ring (1), deformation portion (2), screw thread portion (3) formula mechanism as an organic whole, be equipped with the fillet between spacing ring (1) and deformation portion (2).